Molecular formula
C17H14N4O2S
110 compounds have this formula on CompoundList.
- Molar mass
- 338.38g/mol
- Monoisotopic mass
- 338.0837Da
- Atoms
- 38
- Elements
- 5
- Rings plus double bonds
- 13
The formula C17H14N4O2S describes a molecule made of 17 carbon atoms, 14 hydrogen atoms, 4 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. 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 × 1760.34%12.011 × 17 = 204.187 g/mol
- H Hydrogen × 144.17%1.008 × 14 = 14.112 g/mol
- N Nitrogen × 416.56%14.007 × 4 = 56.028 g/mol
- O Oxygen × 29.46%15.999 × 2 = 31.998 g/mol
- S Sulfur × 19.47%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C17H14N4O2S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 110 compounds
3-Methyl-5-(4-nitroanilinomethylene)-1-phenyl-2-pyrazoline-5-thione
CAS 104753-37-9C17H14N4O2S
![2-[3-(1H-1,2,4-Triazol-5-ylthio)propyl]benzo[de]isoquinoline-1,3-dione chemical structure, C17H14N4O2S, CAS 690249-56-0](/s/ACUPQPGUHKDMKN-UHFFFAOYSA-N.svg)
2-[3-(1H-1,2,4-Triazol-5-ylthio)propyl]benzo[de]isoquinoline-1,3-dione
CAS 690249-56-0C17H14N4O2S
N'-(4-Phenyl-1,3-thiazol-2-yl)-N-(pyridin-2-ylmethyl)oxamide
CAS 370070-84-1C17H14N4O2S
![3-[2-(1,3-Benzothiazol-2-yl)hydrazinyl]-1-phenylpyrrolidine-2,5-dione chemical structure, C17H14N4O2S, CAS 956790-36-6](/s/QRWKKKIMSNLZRZ-UHFFFAOYSA-N.svg)
3-[2-(1,3-Benzothiazol-2-yl)hydrazinyl]-1-phenylpyrrolidine-2,5-dione
CAS 956790-36-6C17H14N4O2S
![3-(4-Methoxyphenyl)-6-(phenoxymethyl)-1,2,4-triazolo[3,4-b][1,3,4]thiadiazole chemical structure, C17H14N4O2S, CAS 842972-68-3](/s/WREAHJIUMZROIP-UHFFFAOYSA-N.svg)
3-(4-Methoxyphenyl)-6-(phenoxymethyl)-1,2,4-triazolo[3,4-b][1,3,4]thiadiazole
CAS 842972-68-3C17H14N4O2S
![N-[2-(1H-Indol-3-yl)ethyl]-5-oxo-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxamide chemical structure, C17H14N4O2S, CAS 851944-66-6](/s/HPRDCZLFSBLFTK-UHFFFAOYSA-N.svg)
N-[2-(1H-Indol-3-yl)ethyl]-5-oxo-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxamide
CAS 851944-66-6C17H14N4O2S
![N-(2-Cyanophenyl)-2-[(6-methoxy-1H-benzimidazol-2-yl)sulfanyl]acetamide chemical structure, C17H14N4O2S, CAS 313699-40-0](/s/WDSGUKKNVUKPOL-UHFFFAOYSA-N.svg)
N-(2-Cyanophenyl)-2-[(6-methoxy-1H-benzimidazol-2-yl)sulfanyl]acetamide
CAS 313699-40-0C17H14N4O2S
![4-[(E)-[3-(4-Methylphenyl)-5-sulfanylidene-1H-1,2,4-triazol-4-yl]iminomethyl]benzoic acid chemical structure, C17H14N4O2S, CAS 419547-07-2](/s/SRMPMANHNPCVIC-VCHYOVAHSA-N.svg)
4-[(E)-[3-(4-Methylphenyl)-5-sulfanylidene-1H-1,2,4-triazol-4-yl]iminomethyl]benzoic acid
CAS 419547-07-2C17H14N4O2S
![6-(3,4-Dimethoxyphenyl)-3-phenyl[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole chemical structure, C17H14N4O2S, CAS 794548-75-7](/s/DZVJIXOOKHHJSO-UHFFFAOYSA-N.svg)
6-(3,4-Dimethoxyphenyl)-3-phenyl[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole
CAS 794548-75-7C17H14N4O2S
![3-(2-Methoxyphenyl)-6-(phenoxymethyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole chemical structure, C17H14N4O2S, CAS 578733-36-5](/s/XCJQKZGPRCKHEQ-UHFFFAOYSA-N.svg)
3-(2-Methoxyphenyl)-6-(phenoxymethyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole
CAS 578733-36-5C17H14N4O2S
N'-(4-Phenyl-1,3-thiazol-2-yl)-N-(pyridin-3-ylmethyl)oxamide
CAS 369608-52-6C17H14N4O2S
5-Methyl-1-(4-nitrophenyl)-N-phenylpyrazole-4-carbothioamide
CAS 109466-38-8C17H14N4O2S
![6-(2-Methoxyphenyl)-3-(4-methoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole chemical structure, C17H14N4O2S, CAS 578745-89-8](/s/WPHIVFUIORRPHV-UHFFFAOYSA-N.svg)
6-(2-Methoxyphenyl)-3-(4-methoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole
CAS 578745-89-8C17H14N4O2S
![4-Acetamido-N-[4-(pyridin-2-yl)-1,3-thiazol-2-yl]benzamide chemical structure, C17H14N4O2S, CAS 851185-09-6](/s/MYVFIJHTEDZQMG-UHFFFAOYSA-N.svg)
4-Acetamido-N-[4-(pyridin-2-yl)-1,3-thiazol-2-yl]benzamide
CAS 851185-09-6C17H14N4O2S
3-(4-Nitrophenyl)-4-phenyl-5-prop-2-enylsulfanyl-1,2,4-triazole
CAS 313982-12-6C17H14N4O2S
1-(Indolin-1-yl)-2-((5-(pyridin-4-yl)-1,3,4-oxadiazol-2-yl)thio)ethanone
CAS 723259-00-5C17H14N4O2S
2-Benzamido-N-(pyridin-3-ylmethyl)thiazole-4-carboxamide
CAS 941990-30-3C17H14N4O2S
![N-[2-(3-Methylsulfanyl-5-oxo-2H-1,2,4-triazin-6-yl)phenyl]benzamide chemical structure, C17H14N4O2S, CAS 61602-67-3](/s/YBTORWXBISWEHX-UHFFFAOYSA-N.svg)
N-[2-(3-Methylsulfanyl-5-oxo-2H-1,2,4-triazin-6-yl)phenyl]benzamide
CAS 61602-67-3C17H14N4O2S
![2-(2,4-Dimethoxyphenyl)-7-(3-thienyl)[1,2,4]triazolo[1,5-a]pyrimidine chemical structure, C17H14N4O2S, CAS 1574516-05-4](/s/MHEKWPYNPQQKTQ-UHFFFAOYSA-N.svg)
2-(2,4-Dimethoxyphenyl)-7-(3-thienyl)[1,2,4]triazolo[1,5-a]pyrimidine
CAS 1574516-05-4C17H14N4O2S
![2-([1,2,4]Triazolo[4,3-a]quinolin-1-ylthio)-N-(furan-2-ylmethyl)acetamide chemical structure, C17H14N4O2S, CAS 671199-19-2](/s/LEJAJEUCKCCBFG-UHFFFAOYSA-N.svg)
2-([1,2,4]Triazolo[4,3-a]quinolin-1-ylthio)-N-(furan-2-ylmethyl)acetamide
CAS 671199-19-2C17H14N4O2S
![N-(4-(2-Oxopyrrolidin-1-yl)phenyl)benzo[c][1,2,5]thiadiazole-5-carboxamide chemical structure, C17H14N4O2S, CAS 1207019-29-1](/s/LVVABUVSTYNFAZ-UHFFFAOYSA-N.svg)
N-(4-(2-Oxopyrrolidin-1-yl)phenyl)benzo[c][1,2,5]thiadiazole-5-carboxamide
CAS 1207019-29-1C17H14N4O2S
![2-[(E)-[3-(2-Methylphenyl)-5-sulfanylidene-1H-1,2,4-triazol-4-yl]iminomethyl]benzoic acid chemical structure, C17H14N4O2S, CAS 488800-80-2](/s/RJQPPRGLBKRMKU-VCHYOVAHSA-N.svg)
2-[(E)-[3-(2-Methylphenyl)-5-sulfanylidene-1H-1,2,4-triazol-4-yl]iminomethyl]benzoic acid
CAS 488800-80-2C17H14N4O2S
N-(2-(3-(Thiophen-2-yl)ureido)phenyl)nicotinamide
CAS 1207044-70-9C17H14N4O2S
![7-(3,4-Dimethoxyphenyl)-2-(thiophen-2-yl)[1,2,4]triazolo[1,5-a]pyrimidine chemical structure, C17H14N4O2S, CAS 1432163-22-8](/s/XICVBRZXELMZFE-UHFFFAOYSA-N.svg)
7-(3,4-Dimethoxyphenyl)-2-(thiophen-2-yl)[1,2,4]triazolo[1,5-a]pyrimidine
CAS 1432163-22-8C17H14N4O2S
- 3-(4-Ethoxyphenyl)-5-[3-(thiophen-2-yl)-1H-pyrazol-5-yl]-1,2,4-oxadiazole1192580-57-6C17H14N4O2S
- 2-(Furan-2-yl)-7-{[(2-methylphenyl)methyl]sulfanyl}-4H,5H-pyrazolo[1,5-d][1,2,4]triazin-4-one1040683-66-6C17H14N4O2S
- 2-[(3-Methoxyphenyl)amino]-7-methyl-5H-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one1021262-05-4C17H14N4O2S
- N-(2-(1H-Pyrazol-1-yl)ethyl)-N-(benzo[d]thiazol-2-yl)furan-2-carboxamide1171999-97-5C17H14N4O2S
- N-(4-Carbamoylphenyl)-2-(phenylamino)thiazole-4-carboxamide1172944-46-5C17H14N4O2S
- N-(4-(Benzofuran-2-yl)thiazol-2-yl)-1,3-dimethyl-1H-pyrazole-5-carboxamide1013811-50-1C17H14N4O2S
- N'-Benzoyl-N'-(3-methyl-1,2,4-thiadiazol-5-yl)benzohydrazide38362-22-0C17H14N4O2S
- N-(3-Cyanophenyl)-2-((5,6-dimethylthieno[2,3-d]pyrimidin-4-yl)oxy)acetamide764694-25-9C17H14N4O2S
- N-(4-Cyanophenyl)-2-[(6-methoxy-1H-benzimidazol-2-yl)sulfanyl]acetamide312518-90-4C17H14N4O2S
- 6-[(4-Methoxyphenoxy)methyl]-3-phenyl[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole825604-54-4C17H14N4O2S
- Methyl 4-[(E)-(3-phenyl-5-sulfanylidene-1H-1,2,4-triazol-4-yl)iminomethyl]benzoate418802-45-6C17H14N4O2S
- (E)-6-(2-(Furan-2-yl)vinyl)-3-(4-methoxybenzyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole874464-25-2C17H14N4O2S
- 4-(2-Methoxy-5-methylphenyl)-1-sulfanyl-4H,5H-[1,2,4]triazolo[4,3-a]quinazolin-5-one757221-87-7C17H14N4O2S
- 4-[(2-Methoxyphenyl)methyl]-1-sulfanyl-4H,5H-[1,2,4]triazolo[4,3-a]quinazolin-5-one736960-50-2C17H14N4O2S
- 2-Anilino-4-methylsulfanyl-3-phenyl-1,3,5-triazepine-6,7-dione68822-95-7C17H14N4O2S
- 3-(2-Methoxyphenyl)-6-(3-methoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole586990-65-0C17H14N4O2S
- 3-(2-Methoxyphenyl)-6-(4-methoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole825609-37-8C17H14N4O2S
- N-Dibenzofuran-3-yl-2-[(4-methyl-1,2,4-triazol-3-yl)sulfanyl]acetamide330637-95-1C17H14N4O2S
- 1,2,4-Triazolo(3,4-a)phthalazine, 6-(ethylsulfonyl)-3-phenyl-87540-67-8C17H14N4O2S
- 8,9-Dimethoxy-2-phenyl-3H-[1,2,4]triazolo[1,5-c]quinazoline-5-thione902593-13-9C17H14N4O2S
- 2-(Benzo[d]oxazol-2-ylthio)-N-(pyrazolo[1,5-a]pyridin-3-ylmethyl)acetamide1396862-69-3C17H14N4O2S
- 3-(3-Methoxyphenyl)-6-(4-methoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole840495-15-0C17H14N4O2S
- 3-(3-Methoxyphenyl)-6-(phenoxymethyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole843632-88-2C17H14N4O2S
- 3,6-Bis(4-methoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole73014-97-8C17H14N4O2S
- [(9-Benzyl-9H-[1,2,4]triazolo[4,3-a]benzimidazol-3-yl)thio]acetic acid606120-73-4C17H14N4O2S
- 2-[(2-Oxo-2-phenylethyl)sulfanyl]-6,7-dihydro[1,2,4]triazolo[5,1-b]quinazolin-8(5H)-one777867-14-8C17H14N4O2S
- 3,6-Bis(2-methoxyphenyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole895330-71-9C17H14N4O2S
- 3,6-Dimethyl-N-(6-methyl-1,3-benzothiazol-2-yl)[1,2]oxazolo[5,4-b]pyridine-4-carboxamide930060-77-8C17H14N4O2S
- 2-Benzamido-N-[(pyridin-4-yl)methyl]-1,3-thiazole-4-carboxamide941970-51-0C17H14N4O2S
- 2-(1H-Indol-1-yl)-N-(2-(3-methyl-1,2,4-oxadiazol-5-yl)thiophen-3-yl)acetamide1797267-37-8C17H14N4O2S
- 3-Benzamido-N-(5-methyl-1,3,4-thiadiazol-2-yl)benzamide600125-94-8C17H14N4O2S
- N-(3-Cyano-4,5-dimethylthiophen-2-yl)-2-(4-oxoquinazolin-3(4H)-yl)acetamide824979-05-7C17H14N4O2S
- 4-[(1H-Benzimidazol-2-ylsulfanyl)acetyl]-3,4-dihydroquinoxalin-2(1H)-one712295-71-1C17H14N4O2S
- 6-[(E)-2-(2-Methoxyphenyl)ethenyl]-3-(2-methylfuran-3-yl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole878737-00-9C17H14N4O2S
- 2-[(2-Methoxyphenyl)amino]-7-methyl-5H-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one1021260-39-8C17H14N4O2S
- N-(1-Acetylindolin-6-yl)benzo[c][1,2,5]thiadiazole-5-carboxamide1206995-10-9C17H14N4O2S
- N-(2-(3-(Thiophen-2-yl)ureido)phenyl)picolinamide1207024-18-7C17H14N4O2S
- (E)-1-(3-(3-(Pyridin-4-yl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)-3-(thiophen-2-yl)prop-2-en-1-one1251711-46-2C17H14N4O2S
- 1H-Pyrrolo[2,3-b]pyridine, 5-(1-methyl-1H-pyrazol-4-yl)-1-(phenylsulfonyl)-1147998-19-3C17H14N4O2S
- N-((5-(Furan-2-yl)-1-methyl-1H-pyrazol-3-yl)methyl)benzo[d]thiazole-2-carboxamide1421529-93-2C17H14N4O2S
- 6-(3-Methoxyphenyl)-3-(4-methoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole840478-86-6C17H14N4O2S
- 2-[(9-Phenyl-9H-[1,2,4]triazolo[4,3-a]-benzimidazol-3-yl)thio]propanoic acid891449-63-1C17H14N4O2S
- 2-((2-(Indolin-1-yl)-2-oxoethyl)thio)-4H-pyrido[1,2-a][1,3,5]triazin-4-one896325-45-4C17H14N4O2S
- 3-[(4-Methoxy-3,5-dimethyl-2-pyridyl)oxomethyl]-1,2,4-thiadiazolo[4,5-a]benzimidazole196197-45-2C17H14N4O2S
- 4-(((5-Thioxo-3-(m-tolyl)-1H-1,2,4-triazol-4(5H)-yl)imino)methyl)benzoic acid478256-25-6C17H14N4O2S
- 2-(((5-Thioxo-3-(m-tolyl)-1H-1,2,4-triazol-4(5H)-yl)imino)methyl)benzoic acid150093-68-8C17H14N4O2S
- 2-Benzamido-N-(pyridin-2-ylmethyl)thiazole-4-carboxamide941881-92-1C17H14N4O2S
- N-(4-(Benzofuran-2-yl)thiazol-2-yl)-1,5-dimethyl-1H-pyrazole-3-carboxamide1013782-28-9C17H14N4O2S
- 3-[(4-Methoxyphenoxy)methyl]-6-phenyl[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole950256-01-6C17H14N4O2S
- 2-(Furan-2-yl)-7-{[(4-methylphenyl)methyl]sulfanyl}-4H,5H-pyrazolo[1,5-d][1,2,4]triazin-4-one1040683-87-1C17H14N4O2S
- N-({Imidazo[1,2-a]pyridin-2-yl}methyl)-3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxamide1089522-56-4C17H14N4O2S
- N-[3-(Acetylamino)phenyl]-4-phenyl-1,2,3-thiadiazole-5-carboxamide1190255-91-4C17H14N4O2S
- 2-(1H-Benzo[d]imidazol-1-yl)-N-((5-(thiophen-2-yl)isoxazol-3-yl)methyl)acetamide1207029-31-9C17H14N4O2S
- 2-Methyl-N-(1-methyl-1H-indol-4-yl)-5-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxamide1436002-37-7C17H14N4O2S
- N-[Cyano-(1-phenylpyrazol-4-yl)methyl]-4-methoxythiophene-2-carboxamide1436202-76-4C17H14N4O2S
- N-[Cyano-(1-phenylpyrazol-4-yl)methyl]-3-methoxythiophene-2-carboxamide1385458-99-0C17H14N4O2S
- N-(2-(4-Oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)-1H-indole-4-carboxamide2034287-05-1C17H14N4O2S
- N-(2-(4-Oxothieno[3,2-d]pyrimidin-3(4H)-yl)ethyl)-1H-indole-3-carboxamide1904022-04-3C17H14N4O2S
- N-(2-(2,3-Dihydroimidazo[2,1-b]thiazol-6-yl)phenyl)-2-hydroxynicotinamide2034615-57-9C17H14N4O2S
- N-(2-(Furan-2-yl)-2-(1H-pyrazol-1-yl)ethyl)benzo[d]thiazole-2-carboxamide2034544-46-0C17H14N4O2S
- N-(2-(Furan-2-yl)-2-(1H-pyrazol-1-yl)ethyl)benzo[d]thiazole-6-carboxamide2034566-30-6C17H14N4O2S
- N-(2-(4-(Furan-2-yl)-1H-pyrazol-1-yl)ethyl)benzo[d]thiazole-2-carboxamide2034327-10-9C17H14N4O2S
- N-(2-(4-(Furan-2-yl)-1H-pyrazol-1-yl)ethyl)benzo[d]thiazole-6-carboxamide2034557-36-1C17H14N4O2S
- N-(2-(4-(Furan-3-yl)-1H-pyrazol-1-yl)ethyl)benzo[d]thiazole-2-carboxamide2034353-84-7C17H14N4O2S
- N-(2-(4-(Furan-3-yl)-1H-pyrazol-1-yl)ethyl)benzo[d]thiazole-6-carboxamide2034288-58-7C17H14N4O2S
- N-[3-(2-Acetamido-1,3-thiazol-4-yl)phenyl]pyridine-3-carboxamide847848-24-2C17H14N4O2S
- N-(1H-Indol-6-yl)-2,3-dimethyl-5-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxamide1282132-09-5C17H14N4O2S
- N-(1H-Indol-5-yl)-2,3-dimethyl-5-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxamide1282098-44-5C17H14N4O2S
- N-(1-Methyl-1H-indol-6-yl)-2-(4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)acetamide1435999-79-3C17H14N4O2S
- N-(1-Imino-1H-isoindol-3-yl)-4,6-dimethoxy-2-benzothiazolamine867063-08-9C17H14N4O2S
- 3-[(3S,4R)-3-Cyano-4-phenylpyrrolidin-1-yl]sulfonylpyridine-2-carbonitrile2223487-54-3C17H14N4O2S
- N-[3-(Prop-2-ynylamino)quinoxalin-2-yl]benzenesulfonamide2248901-73-5C17H14N4O2S
- 1H-Thieno[2,3-C]pyrazole-5-carboxamide, 3-methyl-N-(5-methyl-3-isoxazolyl)-1-phenyl-603077-97-0C17H14N4O2S
- 2-(((3,5-Dimethylisoxazol-4-yl)methyl)thio)-6-oxo-4-phenyl-1,6-dihydropyrimidine-5-carbonitrile1112290-02-4C17H14N4O2S
- 1-(Furan-3-yl)-2-({pyrido[2,3-d]pyrimidin-4-yl}amino)-1-(thiophen-2-yl)ethan-1-ol2379997-08-5C17H14N4O2S
- 1-(Furan-3-yl)-2-({pyrido[3,4-d]pyrimidin-4-yl}amino)-1-(thiophen-2-yl)ethan-1-ol2380010-95-5C17H14N4O2S
Frequently asked questions
What is the molar mass of C17H14N4O2S?
The molar mass of C17H14N4O2S is 338.38 g/mol, calculated from standard atomic weights for 17 carbon atoms, 14 hydrogen atoms, 4 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 338.0837 Da.
How many compounds have the formula C17H14N4O2S?
CompoundList lists 110 compounds with the molecular formula C17H14N4O2S, including 3-Methyl-5-(4-nitroanilinomethylene)-1-phenyl-2-pyrazoline-5-thione, 2-[3-(1H-1,2,4-Triazol-5-ylthio)propyl]benzo[de]isoquinoline-1,3-dione, N'-(4-Phenyl-1,3-thiazol-2-yl)-N-(pyridin-2-ylmethyl)oxamide. 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 C17H14N4O2S?
C17H14N4O2S has a degree of unsaturation of 13. 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.