Molecular formula
C16H14ClN5O2
91 compounds have this formula on CompoundList.
- Molar mass
- 343.77g/mol
- Monoisotopic mass
- 343.0836Da
- Atoms
- 38
- Elements
- 5
- Rings plus double bonds
- 12
The formula C16H14ClN5O2 describes a molecule made of 16 carbon atoms, 14 hydrogen atoms, 1 chlorine atom, 5 nitrogen atoms and 2 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 × 1655.90%12.011 × 16 = 192.176 g/mol
- H Hydrogen × 144.11%1.008 × 14 = 14.112 g/mol
- Cl Chlorine × 110.31%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 520.37%14.007 × 5 = 70.035 g/mol
- O Oxygen × 29.31%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C16H14ClN5O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 91 of 91 compounds
![N-[1-Amino-6-methyl-2-oxo-5-(1H-pyrazol-5-yl)-1,2-dihydro-3-pyridinyl]-4-chlorobenzenecarboxamide chemical structure, C16H14ClN5O2, CAS 321385-49-3](/s/JYBOIYVOUXORRF-UHFFFAOYSA-N.svg)
N-[1-Amino-6-methyl-2-oxo-5-(1H-pyrazol-5-yl)-1,2-dihydro-3-pyridinyl]-4-chlorobenzenecarboxamide
CAS 321385-49-3C16H14ClN5O2
![1-[(4-Chloro-2-methylpyrazole-3-carbonyl)amino]-3-naphthalen-1-ylurea chemical structure, C16H14ClN5O2, CAS 515176-32-6](/s/RMSVXESWENUCTA-UHFFFAOYSA-N.svg)
1-[(4-Chloro-2-methylpyrazole-3-carbonyl)amino]-3-naphthalen-1-ylurea
CAS 515176-32-6C16H14ClN5O2
![6-Chloro-N'-[2-(1-methylbenzimidazol-2-yl)acetyl]pyridine-3-carbohydrazide chemical structure, C16H14ClN5O2, CAS 794556-91-5](/s/QPRILDPJZRNSFG-UHFFFAOYSA-N.svg)
6-Chloro-N'-[2-(1-methylbenzimidazol-2-yl)acetyl]pyridine-3-carbohydrazide
CAS 794556-91-5C16H14ClN5O2
N-(4-Chloro-2-methoxy-5-methylphenyl)-2-(tetrazol-1-yl)benzamide
CAS 852463-84-4C16H14ClN5O2
3-(2-Chlorobenzyl)-1,7-dimethyl-1H-imidazo(2,1-f)purine-2,4(3H,8H)-dione
CAS 919012-40-1C16H14ClN5O2
![4-{[(2,4-Diamino-5-chloroquinazolin-6-yl)methyl]amino}benzoic acid chemical structure, C16H14ClN5O2, CAS 57343-54-1](/s/OARHSEZBVKKLFI-UHFFFAOYSA-N.svg)
4-{[(2,4-Diamino-5-chloroquinazolin-6-yl)methyl]amino}benzoic acid
CAS 57343-54-1C16H14ClN5O2
N-(5-Chloro-2-cyanophenyl)-6-morpholinopyridazine-3-carboxamide
CAS 1396792-08-7C16H14ClN5O2
![(2E)-3-(2-Chlorophenyl)-N-[5-(1,5-dimethyl-1H-pyrazol-3-yl)-1,3,4-oxadiazol-2-yl]prop-2-enamide chemical structure, C16H14ClN5O2, CAS 1019101-70-2](/s/BKIDAOKUTGHDDK-BQYQJAHWSA-N.svg)
(2E)-3-(2-Chlorophenyl)-N-[5-(1,5-dimethyl-1H-pyrazol-3-yl)-1,3,4-oxadiazol-2-yl]prop-2-enamide
CAS 1019101-70-2C16H14ClN5O2
![2-(1-(3-Chlorophenyl)-4-cyclopropyl-7-oxo-1H-pyrazolo[3,4-d]pyridazin-6(7H)-yl)acetamide chemical structure, C16H14ClN5O2, CAS 1105199-67-4](/s/TYSQSCMRADMKLK-UHFFFAOYSA-N.svg)
2-(1-(3-Chlorophenyl)-4-cyclopropyl-7-oxo-1H-pyrazolo[3,4-d]pyridazin-6(7H)-yl)acetamide
CAS 1105199-67-4C16H14ClN5O2
Propanenitrile, 3-((4-(2-(2-chloro-4-nitrophenyl)diazenyl)-3-methylphenyl)amino)-
CAS 68391-51-5C16H14ClN5O2
![6-(2-Chlorophenyl)-4,7,8-trimethylpurino[7,8-a]imidazole-1,3-dione chemical structure, C16H14ClN5O2, CAS 876672-66-1](/s/ZNQLASSCYQLRRG-UHFFFAOYSA-N.svg)
6-(2-Chlorophenyl)-4,7,8-trimethylpurino[7,8-a]imidazole-1,3-dione
CAS 876672-66-1C16H14ClN5O2
![Ethyl N-[8-(4-chloroanilino)pyrido[2,3-b]pyrazin-6-yl]carbamate chemical structure, C16H14ClN5O2, CAS 19270-42-9](/s/HJKLJKMUSYIQOM-UHFFFAOYSA-N.svg)
Ethyl N-[8-(4-chloroanilino)pyrido[2,3-b]pyrazin-6-yl]carbamate
CAS 19270-42-9C16H14ClN5O2
![8-(3-Chloro-2-methylphenyl)-1,7-dimethyl-1,3,5-trihydro-4-imidazolino[1,2-h]pu rine-2,4-dione chemical structure, C16H14ClN5O2, CAS 879435-17-3](/s/YFRKWTDGNDRQRM-UHFFFAOYSA-N.svg)
8-(3-Chloro-2-methylphenyl)-1,7-dimethyl-1,3,5-trihydro-4-imidazolino[1,2-h]pu rine-2,4-dione
CAS 879435-17-3C16H14ClN5O2
![8-[(2-Chlorophenyl)methyl]-1,7-dimethyl-1,3,5-trihydro-4-imidazolino[1,2-h]pur ine-2,4-dione chemical structure, C16H14ClN5O2, CAS 879453-47-1](/s/TWJYQAZRPNHSPF-UHFFFAOYSA-N.svg)
8-[(2-Chlorophenyl)methyl]-1,7-dimethyl-1,3,5-trihydro-4-imidazolino[1,2-h]pur ine-2,4-dione
CAS 879453-47-1C16H14ClN5O2
![8-(4-Chlorophenyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione chemical structure, C16H14ClN5O2, CAS 879449-58-8](/s/JUUZLAAIYGKZRW-UHFFFAOYSA-N.svg)
8-(4-Chlorophenyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
CAS 879449-58-8C16H14ClN5O2
![8-(5-Chloro-2-methylphenyl)-1,7-dimethyl-1,3,5-trihydro-4-imidazolino[1,2-h]pu rine-2,4-dione chemical structure, C16H14ClN5O2, CAS 879441-12-0](/s/YPPXRBZMCFLWAQ-UHFFFAOYSA-N.svg)
8-(5-Chloro-2-methylphenyl)-1,7-dimethyl-1,3,5-trihydro-4-imidazolino[1,2-h]pu rine-2,4-dione
CAS 879441-12-0C16H14ClN5O2
![8-(4-Chlorophenyl)-1,3,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione chemical structure, C16H14ClN5O2, CAS 893367-12-9](/s/KUQHASMAJVOUCX-UHFFFAOYSA-N.svg)
8-(4-Chlorophenyl)-1,3,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
CAS 893367-12-9C16H14ClN5O2
![8-(3-Chlorophenyl)-1,3,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione chemical structure, C16H14ClN5O2, CAS 893367-05-0](/s/BRRRSDAUUSDCPQ-UHFFFAOYSA-N.svg)
8-(3-Chlorophenyl)-1,3,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
CAS 893367-05-0C16H14ClN5O2
5-Chloro-N-(4-methylphenyl)-2-(2H-tetrazol-5-ylmethoxy)benzamide
CAS 24023-94-7C16H14ClN5O2
![Ethyl N-[8-amino-3-(4-chlorophenyl)pyrido[2,3-b]pyrazin-6-yl]carbamate chemical structure, C16H14ClN5O2, CAS 28642-75-3](/s/UGWGFFXYCGKSNJ-UHFFFAOYSA-N.svg)
Ethyl N-[8-amino-3-(4-chlorophenyl)pyrido[2,3-b]pyrazin-6-yl]carbamate
CAS 28642-75-3C16H14ClN5O2
![6-(2-Chlorophenyl)-2,4,7-trimethylpurino[7,8-a]imidazole-1,3-dione chemical structure, C16H14ClN5O2, CAS 876671-58-8](/s/KINNRZYHGNJMTE-UHFFFAOYSA-N.svg)
6-(2-Chlorophenyl)-2,4,7-trimethylpurino[7,8-a]imidazole-1,3-dione
CAS 876671-58-8C16H14ClN5O2
![8-(3-Chloro-4-methylphenyl)-1,7-dimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione chemical structure, C16H14ClN5O2, CAS 878728-81-5](/s/ISYHZQXSSNFXFM-UHFFFAOYSA-N.svg)
8-(3-Chloro-4-methylphenyl)-1,7-dimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
CAS 878728-81-5C16H14ClN5O2
![3-(4-Chlorobenzyl)-1,7-dimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione chemical structure, C16H14ClN5O2, CAS 919012-41-2](/s/UDMIKODBPOTLKR-UHFFFAOYSA-N.svg)
3-(4-Chlorobenzyl)-1,7-dimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
CAS 919012-41-2C16H14ClN5O2
![3-(3-Chlorobenzyl)-1,7-dimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione chemical structure, C16H14ClN5O2, CAS 919031-44-0](/s/DJFDJNWZYAGGPH-UHFFFAOYSA-N.svg)
3-(3-Chlorobenzyl)-1,7-dimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
CAS 919031-44-0C16H14ClN5O2
- 5-Amino-1-(3-chlorophenyl)-N-(2-methoxyphenyl)-1H-1,2,3-triazole-4-carboxamide951893-69-9C16H14ClN5O2
- 2-((6-(1H-Pyrazol-1-yl)pyridazin-3-yl)oxy)-N-(2-chlorobenzyl)acetamide1428375-86-3C16H14ClN5O2
- 2-(2-([1,2,4]Triazolo[1,5-A]pyridin-2-yl)ethyl)-7-chloro-5-methyl-2,3-dihydro-1H-pyrrolo[3,4-C]pyridine-1,6(5H)-dione1628618-35-8C16H14ClN5O2
- N-(3-Chloro-2-methylphenyl)-2-[3-(1H-1,2,3,4-tetrazol-1-yl)phenoxy]acetamide483337-36-6C16H14ClN5O2
- 6-(3-Chlorophenyl)-4,7,8-trimethylpurino[7,8-a]imidazole-1,3-dione896674-78-5C16H14ClN5O2
- 5-Amino-1-(3-chlorophenyl)-N-(3-methoxyphenyl)-1H-1,2,3-triazole-4-carboxamide951893-57-5C16H14ClN5O2
- 5-Amino-1-(4-chlorophenyl)-N-(4-methoxyphenyl)-1H-1,2,3-triazole-4-carboxamide951894-40-9C16H14ClN5O2
- N-(2-Allyl-2H-tetraazol-5-yl)-5-(3-chloro-4-methylphenyl)-2-furamide925045-28-9C16H14ClN5O2
- 5-Chloro-2-methoxy-N-(2-(2-methyl-1H-imidazol-1-yl)pyrimidin-5-yl)benzamide1421444-18-9C16H14ClN5O2
- 2-(4-Chlorophenoxy)-N-(2-(2-methyl-1H-imidazol-1-yl)pyrimidin-5-yl)acetamide1421457-39-7C16H14ClN5O2
- 2-(2-Chlorophenyl)-N-(4-(4-methyl-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)acetamide1396880-84-4C16H14ClN5O2
- 2-(4-Chlorophenyl)-N-(2-methoxybenzyl)-2H-tetrazole-5-carboxamide1396791-06-2C16H14ClN5O2
- N-(2-Chlorophenyl)-2-((2-methyl-6-(1H-pyrazol-1-yl)pyrimidin-4-yl)oxy)acetamide1421482-46-3C16H14ClN5O2
- 2-Chloro-N-(3-methyl-1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)benzamide1019099-50-3C16H14ClN5O2
- 3-Chloro-N-(3-methyl-1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)benzamide1019099-51-4C16H14ClN5O2
- Benzamide, N-(4-chlorophenyl)-5-methyl-2-(1H-tetrazol-5-ylmethoxy)-24024-10-0C16H14ClN5O2
- Benzamide, 4-chloro-N-(5-methyl-2-(1H-tetrazol-5-ylmethoxy)phenyl)-35422-11-8C16H14ClN5O2
- 5-Amino-N-(2-chlorophenyl)-1-(4-methoxyphenyl)triazole-4-carboxamide887691-99-8C16H14ClN5O2
- 5-Amino-N-(2-chloro-5-methoxyphenyl)-1-phenyl-1H-1,2,3-triazole-4-carboxamide950248-88-1C16H14ClN5O2
- 5-Amino-1-(4-chlorophenyl)-N-(3-methoxyphenyl)-1H-1,2,3-triazole-4-carboxamide951894-14-7C16H14ClN5O2
- 5-Amino-N-(3-chlorophenyl)-1-(4-methoxyphenyl)-1H-1,2,3-triazole-4-carboxamide1032226-23-5C16H14ClN5O2
- 2-(4-Chlorophenyl)-N-[4-methoxy-3-(1H-tetrazol-1-yl)phenyl]acetamide1219553-15-7C16H14ClN5O2
- 2-Chloro-N-(2-(6-oxo-3-(1H-pyrazol-1-yl)pyridazin-1(6H)-yl)ethyl)benzamide1351647-12-5C16H14ClN5O2
- N-(5-Chloro-2-methoxyphenyl)-2-(p-tolyl)-2H-tetrazole-5-carboxamide1396850-39-7C16H14ClN5O2
- N-(3-Chloro-4-methoxyphenyl)-2-(p-tolyl)-2H-tetrazole-5-carboxamide1396877-63-6C16H14ClN5O2
- N-(3-Chloro-2-methylphenyl)-2-(4-methoxyphenyl)-2H-tetrazole-5-carboxamide1396850-61-5C16H14ClN5O2
- 2-(4-Chlorophenyl)-N-(2-ethoxyphenyl)-2H-tetrazole-5-carboxamide1396880-36-6C16H14ClN5O2
- 2-((6-(1H-Pyrazol-1-yl)pyridazin-3-yl)oxy)-N-(3-chloro-2-methylphenyl)acetamide1428363-77-2C16H14ClN5O2
- N-(6-(1H-Pyrazol-1-yl)pyrimidin-4-yl)-2-(4-chloro-3-methylphenoxy)acetamide1428358-94-4C16H14ClN5O2
- 2-(2-(1H-Pyrazol-1-yl)acetyl)-8-chloro-3,4-dihydro-1H-dipyrido[1,2-a:4',3'-d]pyrimidin-11(2H)-one2034531-58-1C16H14ClN5O2
- 5-Amino-N-(3-chloro-4-methoxyphenyl)-1-phenyl-1H-1,2,3-triazole-4-carboxamide929825-28-5C16H14ClN5O2
- 2-(4-Chlorophenoxy)-N-[3-(1H-tetrazol-1-yl)phenyl]propanamide883294-30-2C16H14ClN5O2
- 5-Amino-1-(4-chlorophenyl)-N-(2-methoxyphenyl)-1H-1,2,3-triazole-4-carboxamide929962-57-2C16H14ClN5O2
- N-((1-(4-Chlorophenyl)-1H-tetrazol-5-yl)methyl)-2-methoxybenzamide1005306-06-8C16H14ClN5O2
- N-((1-(4-Chlorophenyl)-1H-tetrazol-5-yl)methyl)-3-methoxybenzamide1005292-51-2C16H14ClN5O2
- N-((1-(4-Chlorophenyl)-1H-tetrazol-5-yl)methyl)-4-methoxybenzamide1005306-08-0C16H14ClN5O2
- N-((1-(4-Chlorophenyl)-1H-tetrazol-5-yl)methyl)-2-phenoxyacetamide1005306-14-8C16H14ClN5O2
- 2-Chloro-N-((1-(4-methoxyphenyl)-1H-tetrazol-5-yl)methyl)benzamide920475-56-5C16H14ClN5O2
- 2-(4-Chlorophenoxy)-N-[(1-phenyl-1H-1,2,3,4-tetrazol-5-yl)methyl]acetamide921075-03-8C16H14ClN5O2
- 2-[3-(2-Chlorophenyl)-6-oxopyridazin-1(6H)-yl]-N-(1-methyl-1H-pyrazol-4-yl)acetamide1324090-10-9C16H14ClN5O2
- 5-Cyano-2,3-bis(4-methoxyphenyl)-2H-tetrazol-3-ium chloride102568-48-9C16H14ClN5O2
- 2-Chloro-N-{[5-(4-methoxyphenyl)-1H-1,2,4-triazol-3-yl]methyl}pyridine-4-carboxamide1333979-06-8C16H14ClN5O2
- 6-Chloro-N-{[5-(4-methoxyphenyl)-1H-1,2,4-triazol-3-yl]methyl}pyridine-3-carboxamide1356621-54-9C16H14ClN5O2
- N-(5-Chloro-2-methoxyphenyl)-6-(2-methyl-1H-imidazol-1-yl)pyridazine-3-carboxamide1396810-17-5C16H14ClN5O2
- N-(6-(1H-Pyrazol-1-yl)pyrimidin-4-yl)-2-(2-chlorophenoxy)propanamide1428371-66-7C16H14ClN5O2
- 6-Chloro-N-[[3-(4-methoxyphenyl)-1H-1,2,4-triazol-5-yl]methyl]pyridine-2-carboxamide1436057-41-8C16H14ClN5O2
- (E)-3-(2-Chlorophenyl)-N-((6-methoxy-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)acrylamide2034997-65-2C16H14ClN5O2
- 6-(4-Chlorophenyl)-3-(pyrrolidin-1-ylcarbonyl)[1,2,3]triazolo[1,5-a]pyrazin-4(5H)-one2108941-97-3C16H14ClN5O2
- 13-Chloro-5-(1-methyl-1H-pyrazole-5-carbonyl)-1,5,9-triazatricyclo[8.4.0.0^{3,8}]tetradeca-3(8),9,11,13-tetraen-2-one1903167-38-3C16H14ClN5O2
- (E)-3-(2-Chlorophenyl)-N-((3-(1-methyl-1H-pyrazol-4-yl)-1,2,4-oxadiazol-5-yl)methyl)acrylamide2034890-99-6C16H14ClN5O2
- 2-(4-Chlorophenoxy)-N-((1-(pyridin-3-yl)-1H-1,2,3-triazol-4-yl)methyl)acetamide2034301-19-2C16H14ClN5O2
- (E)-3-(2-Chlorophenyl)-N-((8-methoxy-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)methyl)acrylamide2035004-50-1C16H14ClN5O2
- (3-(1H-1,2,3-Triazol-1-yl)azetidin-1-yl)(3-(2-chlorophenyl)-5-methylisoxazol-4-yl)methanone2097934-67-1C16H14ClN5O2
- 1-(2-Chlorobenzoyl)-3-({5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}oxy)azetidine2097863-46-0C16H14ClN5O2
- Urea, N-[5-chloro-2-(cyclopropylmethoxy)phenyl]-N'-(5-cyanopyrazinyl)-660851-02-5C16H14ClN5O2
- N-(4-{[1-(4-Chlorophenyl)-1H-tetrazol-5-yl]methoxy}phenyl)acetamide912904-09-7C16H14ClN5O2
- 2-Chloro-N-(2-methoxybenzyl)-5-(1H-tetrazol-1-yl)benzamide1081131-94-3C16H14ClN5O2
- 2-(3-(4-Chlorophenyl)-6-oxopyridazin-1(6H)-yl)-N-(1-methyl-1H-pyrazol-4-yl)acetamide1282132-04-0C16H14ClN5O2
- N-(4-Chloro-3-methylphenyl)-2-[3-(1H-tetrazol-1-yl)phenoxy]acetamide847606-95-5C16H14ClN5O2
- 4-Chloro-N-(2-hydroxy-2-phenylethyl)-2-(1H-tetrazol-1-yl)benzamide1081144-73-1C16H14ClN5O2
- 2-Chloro-4-[[4-(4-morpholinylcarbonyl)phenyl]amino]-5-pyrimidinecarbonitrile1708121-96-3C16H14ClN5O2
- N-(3-Chloro-4-methoxyphenyl)-3-cyclopropyl-[1,2,4]triazolo[4,3-b]pyridazine-6-carboxamide2549006-32-6C16H14ClN5O2
- 3-(2-Aminopyrimidin-4-yl)-1-(5-chloro-2-ethylphenyl)pyrazole-5-carboxylic acid1403333-50-5C16H14ClN5O2
- 5-(2-Aminopyrimidin-4-yl)-1-(5-chloro-2-ethylphenyl)pyrazole-3-carboxylic acid1403333-51-6C16H14ClN5O2
- 5-Chloro-6-[4-(2-methoxypyridin-4-yl)-3-oxopiperazin-1-yl]pyridine-3-carbonitrile2380098-50-8C16H14ClN5O2
- Pyrido[4,3-d][1,2,4]triazolo[1,5-a]pyrimidine-7(8H)-carboxylic acid, 9-chloro-5,6-dihydro-, phenylmethyl ester1251012-58-4C16H14ClN5O2
- Benzyl N-[1-(6-chloropyrimidin-4-yl)-3-methyl-1H-pyrazol-5-yl]carbamate2680904-25-8C16H14ClN5O2
Frequently asked questions
What is the molar mass of C16H14ClN5O2?
The molar mass of C16H14ClN5O2 is 343.77 g/mol, calculated from standard atomic weights for 16 carbon atoms, 14 hydrogen atoms, 1 chlorine atom, 5 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 343.0836 Da.
How many compounds have the formula C16H14ClN5O2?
CompoundList lists 91 compounds with the molecular formula C16H14ClN5O2, including N-[1-Amino-6-methyl-2-oxo-5-(1H-pyrazol-5-yl)-1,2-dihydro-3-pyridinyl]-4-chlorobenzenecarboxamide, 1-[(4-Chloro-2-methylpyrazole-3-carbonyl)amino]-3-naphthalen-1-ylurea, 6-Chloro-N'-[2-(1-methylbenzimidazol-2-yl)acetyl]pyridine-3-carbohydrazide. 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 C16H14ClN5O2?
C16H14ClN5O2 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.