Molecular formula
C20H21N3O4
365 compounds have this formula on CompoundList.
- Molar mass
- 367.40g/mol
- Monoisotopic mass
- 367.1532Da
- Atoms
- 48
- Elements
- 4
- Rings plus double bonds
- 12
The formula C20H21N3O4 describes a molecule made of 20 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 4 oxygen atoms. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.
Elemental composition
- C Carbon × 2065.38%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 215.76%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 311.44%14.007 × 3 = 42.021 g/mol
- O Oxygen × 417.42%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C20H21N3O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 300 of 365 compounds
![Methyl 2-{[(8-oxo-1,5,6,8-tetrahydro-2H-1,5-methanopyrido[1,2-a][1,5]diazocin-3(4H)-yl)carbonyl]amino}benzoate chemical structure, C20H21N3O4, CAS 1544539-18-5](/s/HWGSIQVTOVKMIE-UHFFFAOYSA-N.svg)
Methyl 2-{[(8-oxo-1,5,6,8-tetrahydro-2H-1,5-methanopyrido[1,2-a][1,5]diazocin-3(4H)-yl)carbonyl]amino}benzoate
CAS 1544539-18-5C20H21N3O4
N-(2,4-Dimethoxyphenyl)-2-(4-oxoquinazolin-3(4H)-yl)butanamide
CAS 900292-86-6C20H21N3O4
N-(3,4-Dimethoxyphenyl)-4-(4-oxoquinazolin-3(4H)-yl)butanamide
CAS 900880-31-1C20H21N3O4
![N-Ethyl-3,5-dimethoxy-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]benzamide chemical structure, C20H21N3O4, CAS 887687-42-5](/s/SZUAUQPSHFNHKT-UHFFFAOYSA-N.svg)
N-Ethyl-3,5-dimethoxy-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]benzamide
CAS 887687-42-5C20H21N3O4
![N-[[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]-3-phenylpropanamide chemical structure, C20H21N3O4, CAS 887690-63-3](/s/ZACCGZYDECUQTI-UHFFFAOYSA-N.svg)
N-[[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]-3-phenylpropanamide
CAS 887690-63-3C20H21N3O4
![2-(4-Methoxyphenoxy)-N-methyl-N-[[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]acetamide chemical structure, C20H21N3O4, CAS 879582-97-5](/s/ADVSOJMWWWHEIK-UHFFFAOYSA-N.svg)
2-(4-Methoxyphenoxy)-N-methyl-N-[[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]acetamide
CAS 879582-97-5C20H21N3O4
N'-(1-Acetyl-3,4-dihydro-2H-quinolin-7-yl)-N-(3-methoxyphenyl)oxamide
CAS 898466-15-4C20H21N3O4
N-(1-Acetyl-3,4-dihydro-2H-quinolin-7-yl)-N'-(2-methoxyphenyl)oxamide
CAS 898439-82-2C20H21N3O4
![3-Methyl-N-[3-methyl-4-(2-oxopiperidin-1-yl)phenyl]-4-nitrobenzamide chemical structure, C20H21N3O4, CAS 941872-59-9](/s/DYYNPDYPONFVGI-UHFFFAOYSA-N.svg)
3-Methyl-N-[3-methyl-4-(2-oxopiperidin-1-yl)phenyl]-4-nitrobenzamide
CAS 941872-59-9C20H21N3O4
![N-[[3-(4-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]-N-methyl-2-(3-methylphenoxy)acetamide chemical structure, C20H21N3O4, CAS 899541-35-6](/s/FSFMFUNGHCPHQH-UHFFFAOYSA-N.svg)
N-[[3-(4-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]-N-methyl-2-(3-methylphenoxy)acetamide
CAS 899541-35-6C20H21N3O4
N-(3,4-Dimethylphenyl)-3-(2-methoxyethyl)-2,4-dioxo-1,2,3,4-tetrahydroquinazoline-7-carboxamide
CAS 958584-78-6C20H21N3O4
![N-[4-(4-Ethoxyphenyl)-1,2,5-oxadiazol-3-yl]-2-propoxybenzamide chemical structure, C20H21N3O4, CAS 874400-24-5](/s/XMJNEBRIOYOIRZ-UHFFFAOYSA-N.svg)
N-[4-(4-Ethoxyphenyl)-1,2,5-oxadiazol-3-yl]-2-propoxybenzamide
CAS 874400-24-5C20H21N3O4
![[(1-Cyanocyclohexyl)carbamoyl]methyl 5-methyl-3-phenyl-1,2-oxazole-4-carboxylate chemical structure, C20H21N3O4, CAS 926130-03-2](/s/RXRGDQYZCYUANJ-UHFFFAOYSA-N.svg)
[(1-Cyanocyclohexyl)carbamoyl]methyl 5-methyl-3-phenyl-1,2-oxazole-4-carboxylate
CAS 926130-03-2C20H21N3O4
![2-(3,4-Dimethoxyphenyl)-N-{2,8-dimethyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}acetamide chemical structure, C20H21N3O4, CAS 897617-22-0](/s/MBJYWLUSBOGAHU-UHFFFAOYSA-N.svg)
2-(3,4-Dimethoxyphenyl)-N-{2,8-dimethyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}acetamide
CAS 897617-22-0C20H21N3O4
![2-(3,4-Dimethoxyphenyl)-N-{2,9-dimethyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}acetamide chemical structure, C20H21N3O4, CAS 897617-49-1](/s/GSFZCRCEOBZVBP-UHFFFAOYSA-N.svg)
2-(3,4-Dimethoxyphenyl)-N-{2,9-dimethyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}acetamide
CAS 897617-49-1C20H21N3O4
N-(Furan-2-ylmethyl)-2-((2-morpholinoquinolin-8-yl)oxy)acetamide
CAS 941903-33-9C20H21N3O4
![1-(Benzo[d][1,3]dioxol-5-yl)-3-((5-oxo-1-(p-tolyl)pyrrolidin-3-yl)methyl)urea chemical structure, C20H21N3O4, CAS 954660-33-4](/s/KJSBJHIFZBIVAD-UHFFFAOYSA-N.svg)
1-(Benzo[d][1,3]dioxol-5-yl)-3-((5-oxo-1-(p-tolyl)pyrrolidin-3-yl)methyl)urea
CAS 954660-33-4C20H21N3O4
![1-((1-(Benzo[d][1,3]dioxol-5-yl)-5-oxopyrrolidin-3-yl)methyl)-3-(m-tolyl)urea chemical structure, C20H21N3O4, CAS 954660-73-2](/s/FRSCPGFISZWRRP-UHFFFAOYSA-N.svg)
1-((1-(Benzo[d][1,3]dioxol-5-yl)-5-oxopyrrolidin-3-yl)methyl)-3-(m-tolyl)urea
CAS 954660-73-2C20H21N3O4
![1-((1-(Benzo[d][1,3]dioxol-5-yl)-5-oxopyrrolidin-3-yl)methyl)-3-(p-tolyl)urea chemical structure, C20H21N3O4, CAS 955257-82-6](/s/HVAMEFYNSSANEI-UHFFFAOYSA-N.svg)
1-((1-(Benzo[d][1,3]dioxol-5-yl)-5-oxopyrrolidin-3-yl)methyl)-3-(p-tolyl)urea
CAS 955257-82-6C20H21N3O4
![1-((1-(Benzo[d][1,3]dioxol-5-yl)-5-oxopyrrolidin-3-yl)methyl)-3-benzylurea chemical structure, C20H21N3O4, CAS 954660-88-9](/s/NTDQPUCGSBDHAH-UHFFFAOYSA-N.svg)
1-((1-(Benzo[d][1,3]dioxol-5-yl)-5-oxopyrrolidin-3-yl)methyl)-3-benzylurea
CAS 954660-88-9C20H21N3O4
![1-(1-(2-Hydroxy-4-methoxybenzoyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one chemical structure, C20H21N3O4, CAS 931027-13-3](/s/ZPQGFMIWDBHAES-UHFFFAOYSA-N.svg)
1-(1-(2-Hydroxy-4-methoxybenzoyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one
CAS 931027-13-3C20H21N3O4
![1-(1-(2-(2-Hydroxyphenoxy)acetyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one chemical structure, C20H21N3O4, CAS 940236-74-8](/s/YFNGMUAMGSYICH-UHFFFAOYSA-N.svg)
1-(1-(2-(2-Hydroxyphenoxy)acetyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one
CAS 940236-74-8C20H21N3O4
Methyl 3-(2-(1-ethyl-2,5-dimethyl-1H-pyrrol-3-yl)-2-oxoethyl)-4-oxo-3,4-dihydroquinazoline-7-carboxylate
CAS 938003-35-1C20H21N3O4
![1-((2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methyl)-3-(5-oxo-1-phenylpyrrolidin-3-yl)urea chemical structure, C20H21N3O4, CAS 887465-30-7](/s/GUUVMTQHBUCASD-UHFFFAOYSA-N.svg)
1-((2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methyl)-3-(5-oxo-1-phenylpyrrolidin-3-yl)urea
CAS 887465-30-7C20H21N3O4
- 1-(Benzo[d][1,3]dioxol-5-ylmethyl)-3-(5-oxo-1-(p-tolyl)pyrrolidin-3-yl)urea887465-56-7C20H21N3O4
- 1-(Benzo[d][1,3]dioxol-5-yl)-3-(1-(3,4-dimethylphenyl)-5-oxopyrrolidin-3-yl)urea894007-94-4C20H21N3O4
- 1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-(1-(2-methoxyethyl)-1H-indol-3-yl)urea923096-34-8C20H21N3O4
- N-(4-Methyl-3-nitrobenzoyl)-N-phenylpiperidine-1-carboxamide899951-08-7C20H21N3O4
- N-(4-Nitrobenzoyl)-N-(p-tolyl)piperidine-1-carboxamide899755-37-4C20H21N3O4
- N-(2-Methoxyethyl)-2,4-dioxo-3-(2-phenylethyl)-1,2,3,4-tetrahydroquinazoline-7-carboxamide892279-49-1C20H21N3O4
- 2-Amino-4-(3,4-dimethoxyphenyl)-5,6-dihydro-5-oxo-7-propyl-4H-pyrano[3,2-c]pyridine-3-carbonitrile883523-17-9C20H21N3O4
- 2-Amino-4-(2-ethoxyphenyl)-6-(2-hydroxyethyl)-7-methyl-5-oxo-4H,5H,6H-pyrano[3,2-c]pyridine-3-carbonitrile884216-69-7C20H21N3O4
- N-[3-(Acetylamino)phenyl]-1-(2-methoxyphenyl)-5-oxopyrrolidine-3-carboxamide1007694-09-8C20H21N3O4
- 2-(4-Ethoxyphenoxy)-N-[4-(5-ethyl-1,3,4-oxadiazol-2-yl)phenyl]acetamide946239-74-3C20H21N3O4
- N-Benzyl-3-(6,7-dimethoxy-4-oxoquinazolin-3(4H)-yl)propanamide1144481-80-0C20H21N3O4
- Methyl 2-(3-(1-(2-methoxyethyl)-1H-indol-3-yl)ureido)benzoate922992-24-3C20H21N3O4
- 8-(Furan-2-carbonyl)-3-phenethyl-1,3,8-triazaspiro[4.5]decane-2,4-dione1021081-26-4C20H21N3O4
- 4-Methoxy-N-{3-[(3-methoxyphenyl)amino]-3-oxopropyl}-1H-indole-2-carboxamide1010930-05-8C20H21N3O4
- Ethyl 4-{4-[(6-methylpyridin-2-yl)carbamoyl]-2-oxopyrrolidin-1-yl}benzoate1081144-69-5C20H21N3O4
- Ethyl 4-{4-[(3-methylpyridin-2-yl)carbamoyl]-2-oxopyrrolidin-1-yl}benzoate1081140-88-6C20H21N3O4
- 6-(Furan-2-ylmethyl)-4-(4-propoxyphenyl)-3,4,6,7-tetrahydro-1H-pyrrolo[3,4-d]pyrimidine-2,5-dione946270-92-4C20H21N3O4
- 2-(3,4-Dimethoxyphenyl)-N-{2,7-dimethyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}acetamide946382-37-2C20H21N3O4
- N-(3-(3-(Furan-2-yl)-6-oxopyridazin-1(6H)-yl)propyl)-2-(m-tolyloxy)acetamide1060208-39-0C20H21N3O4
- (Z)-N-(1-Methyl-5-(morpholine-4-carbonyl)-2-oxo-1,2-dihydropyridin-3-yl)-3-phenylacrylamide1207061-53-7C20H21N3O4
- 1 suppliers(R)-Methyl 2-(((benzyloxy)carbonyl)amino)-3-(7-methyl-1H-indazol-5-yl)propanoate855778-40-4C20H21N3O4
- N-[3-(Acetylamino)phenyl]-4,7-dimethoxy-1-methyl-1H-indole-2-carboxamide1351698-09-3C20H21N3O4
- N-[4-(Acetylamino)phenyl]-4,7-dimethoxy-1-methyl-1H-indole-2-carboxamide1351683-48-1C20H21N3O4
- 4-Oxo-5-(pyridine-2-carbonylamino)azepane-1-carboxylic acid benzyl ester1247884-49-6C20H21N3O4
- N-[2-(6,7-Dimethoxy-2-methyl-4-oxoquinazolin-3(4H)-yl)ethyl]benzamide1435986-18-7C20H21N3O4
- N-((1-Nicotinoylpiperidin-4-yl)methyl)benzo[d][1,3]dioxole-5-carboxamide1396794-96-9C20H21N3O4
- (E)-3-(Benzo[d][1,3]dioxol-5-yl)-1-(4-((6-methylpyridazin-3-yl)oxy)piperidin-1-yl)prop-2-en-1-one1798429-85-2C20H21N3O4
- 3-(3,4-Dimethoxyphenyl)-N-(3-methyl-4-oxo-3,4-dihydroquinazolin-6-yl)propanamide1574410-45-9C20H21N3O4
- 2-[4-(Acetylamino)-1H-indol-1-yl]-N-(2,5-dimethoxyphenyl)acetamide1574319-00-8C20H21N3O4
- [(1-Cyanocycloheptyl)carbamoyl]methyl 4-(1,3-oxazol-5-yl)benzoate1797666-62-6C20H21N3O4
- 2-(7,8-Dimethoxy-2-oxo-1,2-dihydro-3H-3-benzazepin-3-yl)-N-(pyridin-2-ylmethyl)acetamide1574530-41-8C20H21N3O4
- 1'-[2-(4,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-1-yl)acetyl]-3H-spiro[2-benzofuran-1,4'-piperidine]-3-one1705338-45-9C20H21N3O4
- 7-Methoxy-N-[(1r,4r)-4-(pyrazin-2-yloxy)cyclohexyl]-1-benzofuran-2-carboxamide2034223-08-8C20H21N3O4
- 7-Methoxy-N-[(1r,4r)-4-(pyrimidin-2-yloxy)cyclohexyl]-1-benzofuran-2-carboxamide2034204-21-0C20H21N3O4
- 2-(4-(2-(1,3-Dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)ethyl)piperazin-1-yl)acetic acid2034536-50-8C20H21N3O4
- N1-(2-hydroxy-2-(1-methyl-1H-indol-5-yl)ethyl)-N2-(2-methoxyphenyl)oxalamide2034596-92-2C20H21N3O4
- 4-Morpholino-N-(2-(7-oxofuro[2,3-c]pyridin-6(7H)-yl)ethyl)benzamide2034352-66-2C20H21N3O4
- 1-{3-[5-(Furan-2-yl)-1,2,4-oxadiazol-3-yl]pyrrolidin-1-yl}-3-(3-methoxyphenyl)propan-1-one2034371-47-4C20H21N3O4
- N-Isopropyl-3-(4-methoxybenzyl)-2,4-dioxo-1,2,3,4-tetrahydroquinazoline-7-carboxamide2034418-09-0C20H21N3O4
- 3-(2-Methoxyethyl)-2,4-dioxo-N-phenethyl-1,2,3,4-tetrahydroquinazoline-7-carboxamide892269-18-0C20H21N3O4
- 1-(Benzo[d][1,3]dioxol-5-yl)-3-(2-(benzofuran-2-yl)-2-(dimethylamino)ethyl)urea2034563-50-1C20H21N3O4
- (5-Methoxybenzofuran-2-yl)(3-((2-methylpyrimidin-4-yl)oxy)piperidin-1-yl)methanone2034560-99-9C20H21N3O4
- Methyl 4-{[2-(3,5-dimethyl-1H-pyrazol-1-yl)-2-(furan-2-yl)ethyl]carbamoyl}benzoate2034543-24-1C20H21N3O4
- Methyl 4-({2-[4-(furan-2-yl)-3,5-dimethyl-1H-pyrazol-1-yl]ethyl}carbamoyl)benzoate2034294-10-3C20H21N3O4
- 4-(1-(4-(1H-Pyrrol-1-yl)benzoyl)piperidin-4-yl)morpholine-3,5-dione2097890-62-3C20H21N3O4
- N-tert-Butyl-3-[[(E)-3-(4-nitrophenyl)prop-2-enoyl]amino]benzamide355403-06-4C20H21N3O4
- N-(2-Ethoxyphenyl)-3-[3-(2-methoxyphenyl)-1,2,4-oxadiazol-5-yl]propanamide831239-75-9C20H21N3O4
- N-(1-Benzylpyrazol-4-yl)-3,4,5-trimethoxybenzamide515149-05-0C20H21N3O4
- 2,3-Dimethoxy-N-methyl-N-[[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]benzamide896660-35-8C20H21N3O4
- N-Ethyl-2,6-dimethoxy-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]benzamide887695-00-3C20H21N3O4
- 2,6-Dimethoxy-N-methyl-N-[[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]benzamide887695-18-3C20H21N3O4
- N-Ethyl-2-methoxy-N-[[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]benzamide915933-59-4C20H21N3O4
- N-[[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]-2,5-dimethylbenzamide915933-45-8C20H21N3O4
- N-[4-(4-Methoxyphenyl)-1,2,5-oxadiazol-3-yl]-4-(2-methylpropoxy)benzamide872868-40-1C20H21N3O4
- N-[4-(4-Ethoxyphenyl)-1,2,5-oxadiazol-3-yl]-3-propoxybenzamide874398-70-6C20H21N3O4
- 3-Ethoxy-N-[4-(4-propoxyphenyl)-1,2,5-oxadiazol-3-yl]benzamide897840-32-3C20H21N3O4
- 4-Ethoxy-N-[4-(4-propoxyphenyl)-1,2,5-oxadiazol-3-yl]benzamide897840-39-0C20H21N3O4
- 3-Ethoxy-N-{4-[4-(propan-2-yloxy)phenyl]-1,2,5-oxadiazol-3-yl}benzamide898468-71-8C20H21N3O4
- 4-Ethoxy-N-{4-[4-(propan-2-yloxy)phenyl]-1,2,5-oxadiazol-3-yl}benzamide898606-66-1C20H21N3O4
- N-[4-(4-Butoxyphenyl)-1,2,5-oxadiazol-3-yl]-4-methoxybenzamide898611-13-7C20H21N3O4
- N-[4-(4-Butoxyphenyl)-1,2,5-oxadiazol-3-yl]-2-phenoxyacetamide898611-21-7C20H21N3O4
- 1-(3-Acetylphenyl)-3-[1-(4-methoxyphenyl)-5-oxopyrrolidin-3-yl]urea891100-45-1C20H21N3O4
- N-{3-[(2,5-Dimethoxyphenyl)amino]-3-oxopropyl}-1H-indole-2-carboxamide951991-09-6C20H21N3O4
- 1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-(5-oxo-1-(p-tolyl)pyrrolidin-3-yl)urea894021-70-6C20H21N3O4
- 1-(4-Acetylphenyl)-3-[1-(3-methoxyphenyl)-5-oxopyrrolidin-3-yl]urea894018-90-7C20H21N3O4
- 1-(4-Acetylphenyl)-3-[1-(4-methoxyphenyl)-5-oxopyrrolidin-3-yl]urea894029-87-9C20H21N3O4
- N-[1-(3,4-Dimethylphenyl)-5-oxopyrrolidin-3-yl]-2-methyl-3-nitrobenzamide896370-56-2C20H21N3O4
- N-[1-(3,4-Dimethylphenyl)-5-oxopyrrolidin-3-yl]-2-(4-nitrophenyl)acetamide896371-28-1C20H21N3O4
- 2-(4-Benzylpiperidin-1-yl)-N-(2-nitrophenyl)-2-oxoacetamide899974-79-9C20H21N3O4
- 8-(Furan-2-carbonyl)-3-(4-methylbenzyl)-1,3,8-triazaspiro[4.5]decane-2,4-dione1021032-05-2C20H21N3O4
- N-(2-{[(3,4-Dimethoxyphenyl)carbonyl]amino}ethyl)-1H-indole-3-carboxamide1010928-75-2C20H21N3O4
- N-[1-(4-Methoxybenzyl)-1H-pyrazol-5-yl]-2-(2-methoxyphenoxy)acetamide1172272-19-3C20H21N3O4
- N-(2,4-Dimethoxybenzyl)-2-(5-(p-tolyl)-1,3,4-oxadiazol-2-yl)acetamide1286713-23-2C20H21N3O4
- 4-[1-(4-Methyl-3-nitro-benzoyl)-4-piperidyl]benzamide1035173-58-0C20H21N3O4
- 1,3-Diethyl 2-[1-(phenylmethyl)-1H-pyrrolo[3,2-c]pyridin-4-yl]imidodicarbonate868171-82-8C20H21N3O4
- {4-[5-(3-Hydroxy-phenyl)-[1,3,4]oxadiazol-2-yl]-phenyl}-methyl-carbamic acid tert-butyl ester1196987-74-2C20H21N3O4
Frequently asked questions
What is the molar mass of C20H21N3O4?
The molar mass of C20H21N3O4 is 367.40 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 367.1532 Da.
How many compounds have the formula C20H21N3O4?
CompoundList lists 365 compounds with the molecular formula C20H21N3O4, including Methyl 2-{[(8-oxo-1,5,6,8-tetrahydro-2H-1,5-methanopyrido[1,2-a][1,5]diazocin-3(4H)-yl)carbonyl]amino}benzoate, N-(2,4-Dimethoxyphenyl)-2-(4-oxoquinazolin-3(4H)-yl)butanamide, N-(3,4-Dimethoxyphenyl)-4-(4-oxoquinazolin-3(4H)-yl)butanamide. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.
What is the degree of unsaturation of C20H21N3O4?
C20H21N3O4 has a degree of unsaturation of 12. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.