Molecular formula
C20H26N4O2S
109 compounds have this formula on CompoundList.
- Molar mass
- 386.51g/mol
- Monoisotopic mass
- 386.1776Da
- Atoms
- 53
- Elements
- 5
- Rings plus double bonds
- 10
The formula C20H26N4O2S describes a molecule made of 20 carbon atoms, 26 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 × 2062.15%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 266.78%1.008 × 26 = 26.208 g/mol
- N Nitrogen × 414.50%14.007 × 4 = 56.028 g/mol
- O Oxygen × 28.28%15.999 × 2 = 31.998 g/mol
- S Sulfur × 18.29%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C20H26N4O2S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 109 compounds
![1-[1-Ethyl-4-[4-(4-methoxyphenyl)-1-piperazinyl]-6-methyl-2-sulfanylidene-5-pyrimidinyl]ethanone chemical structure, C20H26N4O2S, CAS 664971-59-9](/s/IYFHFGJAKKCNCZ-UHFFFAOYSA-N.svg)
1-[1-Ethyl-4-[4-(4-methoxyphenyl)-1-piperazinyl]-6-methyl-2-sulfanylidene-5-pyrimidinyl]ethanone
CAS 664971-59-9C20H26N4O2S
![N-Cyclohexyl-2-[[5-(4-methoxyphenyl)-4-prop-2-enyl-1,2,4-triazol-3-yl]sulfanyl]acetamide chemical structure, C20H26N4O2S, CAS 339339-32-1](/s/GNCSBTHRRGBUAB-UHFFFAOYSA-N.svg)
N-Cyclohexyl-2-[[5-(4-methoxyphenyl)-4-prop-2-enyl-1,2,4-triazol-3-yl]sulfanyl]acetamide
CAS 339339-32-1C20H26N4O2S
3-Methyl-8-(3-methylbutylsulfanyl)-7-(3-phenylpropyl)purine-2,6-dione
CAS 313470-30-3C20H26N4O2S
![7-Hexyl-3-methyl-8-[(2-phenylethyl)sulfanyl]-3,7-dihydro-1H-purine-2,6-dione chemical structure, C20H26N4O2S, CAS 332033-57-5](/s/SBLPHZWGUFAHEW-UHFFFAOYSA-N.svg)
7-Hexyl-3-methyl-8-[(2-phenylethyl)sulfanyl]-3,7-dihydro-1H-purine-2,6-dione
CAS 332033-57-5C20H26N4O2S
![N-(2-Ethylhexyl)-2-{3-oxo-5-sulfanylidene-2H,3H,5H,6H-imidazo[1,2-c]quinazolin-2-yl}acetamide chemical structure, C20H26N4O2S, CAS 958564-89-1](/s/RKYRWZRPUFZWHD-UHFFFAOYSA-N.svg)
N-(2-Ethylhexyl)-2-{3-oxo-5-sulfanylidene-2H,3H,5H,6H-imidazo[1,2-c]quinazolin-2-yl}acetamide
CAS 958564-89-1C20H26N4O2S
1-(4-Ethoxyphenyl)-3-(2-morpholino-2-(pyridin-3-yl)ethyl)thiourea
CAS 851946-53-7C20H26N4O2S
7-Benzyl-8-(heptylsulfanyl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione
CAS 328072-82-8C20H26N4O2S
2-((6-Amino-1-(3,4-dimethylphenyl)-4-oxo-1,4-dihydropyrimidin-2-yl)thio)-N-cyclohexylacetamide
CAS 872629-82-8C20H26N4O2S
![N-Benzyl-2-((1-(2-(dimethylamino)ethyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide chemical structure, C20H26N4O2S, CAS 898445-37-9](/s/MRVPWLNGCZDGPP-UHFFFAOYSA-N.svg)
N-Benzyl-2-((1-(2-(dimethylamino)ethyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide
CAS 898445-37-9C20H26N4O2S
1,3-Dimethyl-7-(4-methylbenzyl)-8-(pentylthio)-3,7-dihydro-1H-purine-2,6-dione
CAS 476480-02-1C20H26N4O2S
8-(Isopentylthio)-1,3-dimethyl-7-(4-ME-benzyl)-3,7-dihydro-1H-purine-2,6-dione
CAS 476480-03-2C20H26N4O2S
2-((1-(2-(Dimethylamino)ethyl)-2-oxo-1,2,5,6,7,8-hexahydroquinazolin-4-yl)thio)-N-phenylacetamide
CAS 899950-17-5C20H26N4O2S
4-(5-Cyclopropyl-1,3,4-thiadiazol-2-yl)-N-(4-methoxyphenethyl)piperidine-1-carboxamide
CAS 1105210-09-0C20H26N4O2S
![2-[2-(2-Oxo-2-piperidin-1-ylethyl)sulfanylbenzimidazol-1-yl]-1-pyrrolidin-1-ylethanone chemical structure, C20H26N4O2S, CAS 606109-65-3](/s/BGZJDOWUFQXSQU-UHFFFAOYSA-N.svg)
2-[2-(2-Oxo-2-piperidin-1-ylethyl)sulfanylbenzimidazol-1-yl]-1-pyrrolidin-1-ylethanone
CAS 606109-65-3C20H26N4O2S
![2-[[1-[3-(Dimethylamino)propyl]-2-oxo-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl]sulfanyl]-N-phenylacetamide chemical structure, C20H26N4O2S, CAS 898459-90-0](/s/XEIFKEVXIMYGGK-UHFFFAOYSA-N.svg)
2-[[1-[3-(Dimethylamino)propyl]-2-oxo-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl]sulfanyl]-N-phenylacetamide
CAS 898459-90-0C20H26N4O2S
1-(2-((3,5-Dimethylphenyl)amino)-2-oxoethyl)-N-(5-methylthiazol-2-yl)piperidine-4-carboxamide
CAS 1203171-72-5C20H26N4O2S
![N-(Cyclohexylmethyl)-3-{2-[(phenylcarbamoyl)amino]-1,3-thiazol-4-yl}propanamide chemical structure, C20H26N4O2S, CAS 1040665-23-3](/s/GVOWAEXMPYZRNL-UHFFFAOYSA-N.svg)
N-(Cyclohexylmethyl)-3-{2-[(phenylcarbamoyl)amino]-1,3-thiazol-4-yl}propanamide
CAS 1040665-23-3C20H26N4O2S
N-Benzyl-3-(2-(3-cyclohexylureido)thiazol-4-yl)propanamide
CAS 1091132-45-4C20H26N4O2S
![3-{2-[(Cyclohexylcarbamoyl)amino]-1,3-thiazol-4-yl}-N-(2-methylphenyl)propanamide chemical structure, C20H26N4O2S, CAS 1040669-97-3](/s/HSIOQJWHYICAIH-UHFFFAOYSA-N.svg)
3-{2-[(Cyclohexylcarbamoyl)amino]-1,3-thiazol-4-yl}-N-(2-methylphenyl)propanamide
CAS 1040669-97-3C20H26N4O2S
N1-(2-(dimethylamino)-2-(1-methylindolin-5-yl)ethyl)-N2-(thiophen-2-ylmethyl)oxalamide
CAS 922035-58-3C20H26N4O2S
1-(2-(1-Methylindolin-5-yl)-2-morpholinoethyl)-3-(thiophen-2-yl)urea
CAS 1171234-64-2C20H26N4O2S
7-Isopentyl-1,3-dimethyl-8-(phenethylthio)-1H-purine-2,6(3H,7H)-dione
CAS 442865-00-1C20H26N4O2S
3-Methyl-8-(pentylsulfanyl)-7-(3-phenylpropyl)-3,7-dihydro-1H-purine-2,6-dione
CAS 313470-29-0C20H26N4O2S
![3-Methyl-7-pentyl-8-[(3-phenylpropyl)sulfanyl]-3,7-dihydro-1H-purine-2,6-dione chemical structure, C20H26N4O2S, CAS 331841-62-4](/s/IDTALARBJCDYIS-UHFFFAOYSA-N.svg)
3-Methyl-7-pentyl-8-[(3-phenylpropyl)sulfanyl]-3,7-dihydro-1H-purine-2,6-dione
CAS 331841-62-4C20H26N4O2S
- 3-Methyl-7-(3-methylbutyl)-8-(3-phenylpropylsulfanyl)purine-2,6-dione331842-92-3C20H26N4O2S
- 2-((5-Isobutyl-2,2-dimethyl-1,4-dihydro-2H-pyrano[4'',3'':4',5']pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-8-yl)amino)ethan-1-ol372182-94-0C20H26N4O2S
- N-(4,6-Dimethylpyridin-2-yl)-3-[3-[(4,6-dimethylpyridin-2-yl)amino]-3-oxopropyl]sulfanylpropanamide438618-36-1C20H26N4O2S
- 7-Hexyl-3-methyl-8-[(4-methylbenzyl)sulfanyl]-3,7-dihydro-1H-purine-2,6-dione303972-83-0C20H26N4O2S
- 8-(Hexylsulfanyl)-3-methyl-7-(4-methylbenzyl)-3,7-dihydro-1H-purine-2,6-dione296244-41-2C20H26N4O2S
- 7-Benzyl-8-hexylsulfanyl-1,3-dimethylpurine-2,6-dione374090-43-4C20H26N4O2S
- 8-Benzylsulfanyl-7-hexyl-1,3-dimethylpurine-2,6-dione498536-09-7C20H26N4O2S
- 7-Isopentyl-1,3-dimethyl-8-((4-methylbenzyl)thio)-1H-purine-2,6(3H,7H)-dione376625-24-0C20H26N4O2S
- 8-(Hexylsulfanyl)-3-methyl-7-(3-methylbenzyl)-3,7-dihydro-1H-purine-2,6-dione303973-32-2C20H26N4O2S
- 2-((Cyanomethyl)thio)-N,N-diethyl-4-oxo-3-pentyl-3,4-dihydroquinazoline-7-carboxamide309749-63-1C20H26N4O2S
- 2-{[2-(Azepan-1-yl)-6-methylpyrimidin-4-yl]oxy}-N-[3-(methylsulfanyl)phenyl]acetamide1251616-83-7C20H26N4O2S
- 2,3-Piperazinedione, 1-hexyl-4-((4-(2-thiazolylamino)phenyl)methyl)-77917-94-3C20H26N4O2S
- 8-Benzylsulfanyl-7-heptyl-3-methylpurine-2,6-dione331675-18-4C20H26N4O2S
- 7-Hexyl-3-methyl-8-[(3-methylphenyl)methylsulfanyl]purine-2,6-dione375363-60-3C20H26N4O2S
- N'-[3-(4-Phenylpiperazin-1-yl)propyl]-N-[(thiophen-2-yl)methyl]ethanediamide1049567-74-9C20H26N4O2S
- 2-(Cyclopentylthio)-N-(2-(3-cyclopropyl-5-oxo-4-phenyl-4,5-dihydro-1H-1,2,4-triazol-1-yl)ethyl)acetamide1396867-45-0C20H26N4O2S
- (E)-2-(4-Acetylpiperazin-1-yl)-5-(4-(diethylamino)benzylidene)thiazol-4(5H)-one333424-05-8C20H26N4O2S
- N-[3-(Cyclopropylcarbamoyl)-4,5,6,7,8,9-hexahydrocycloocta[b]thiophen-2-yl]-1-ethyl-1H-pyrazole-3-carboxamide1005863-36-4C20H26N4O2S
- N-Cycloheptyl-4-(isobutyrylamino)-3-pyridin-2-ylisothiazole-5-carboxamide1251589-69-1C20H26N4O2S
- N-(4-Methylcyclohexyl)-4-(2-methylpropanamido)-3-(pyridin-2-yl)-1,2-thiazole-5-carboxamide1251674-87-9C20H26N4O2S
- 4-[4-(1,2-Benzisothiazol-3-yl)piperazino]-N~1~-cyclopentyl-4-oxobutanamide1232784-34-7C20H26N4O2S
- N-{[1-(Pyrazin-2-yl)piperidin-4-yl]methyl}-5,6,7,8-tetrahydronaphthalene-2-sulfonamide1396760-19-2C20H26N4O2S
- 3-(1-(2-(Benzylthio)acetyl)piperidin-4-yl)-4-cyclopropyl-1-methyl-1H-1,2,4-triazol-5(4H)-one1797287-22-9C20H26N4O2S
- 4-Cyclopropyl-3-(1-(2-(ethylthio)benzoyl)piperidin-4-yl)-1-methyl-1H-1,2,4-triazol-5(4H)-one1797224-09-9C20H26N4O2S
- N-Cyclopentyl-2-({1-[2-oxo-2-(1-pyrrolidinyl)ethyl]-1H-benzimidazol-2-yl}sulfanyl)acetamide606109-61-9C20H26N4O2S
- 5-((3,5-Dimethylpiperidin-1-yl)(3-methoxyphenyl)methyl)-2-methylthiazolo[3,2-b][1,2,4]triazol-6-ol1008208-90-9C20H26N4O2S
- 5-((4-Hydroxypiperidin-1-yl)(4-isopropylphenyl)methyl)-2-methylthiazolo[3,2-b][1,2,4]triazol-6-ol851810-01-0C20H26N4O2S
- 2-((1-(2-(Dimethylamino)ethyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)-N-(m-tolyl)acetamide932961-45-0C20H26N4O2S
- 2-((1-(2-(Dimethylamino)ethyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)-N-(p-tolyl)acetamide933230-91-2C20H26N4O2S
- N'-(2-tert-Butyl-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)-N-(3-phenylpropyl)oxamide899994-15-1C20H26N4O2S
- N-[5-(Pentan-2-yl)-1,3,4-thiadiazol-2-yl]-1-(phenylcarbonyl)piperidine-4-carboxamide948205-08-1C20H26N4O2S
- N1-(2-(dimethylamino)ethyl)-N2-(2-(indolin-1-yl)-2-(thiophen-2-yl)ethyl)oxalamide898424-07-2C20H26N4O2S
- 1H-Thieno[3,4-d]imidazole-5-pentanamide, hexahydro-N-[2-(1H-indol-3-yl)ethyl]-2-oxo-, [3aS-(3aalpha,4beta,6aalpha)]-41994-03-0C20H26N4O2S
- N-(3,4-Dimethylphenyl)-4-(2-(thiophene-3-carboxamido)ethyl)piperazine-1-carboxamide1219913-52-6C20H26N4O2S
- N-(3,5-Dimethylphenyl)-2-((6-isopropyl-4-oxo-3,4,5,6,7,8-hexahydropyrido[4,3-d]pyrimidin-2-yl)thio)acetamide866866-58-2C20H26N4O2S
- N-(1-(4-Methyl-6-oxo-1,6-dihydropyrimidin-2-yl)piperidin-4-yl)-1-(thiophen-2-yl)cyclopentanecarboxamide1904225-07-5C20H26N4O2S
- N1-(5-cyclohexyl-1,3,4-thiadiazol-2-yl)-N4-(3,4-dimethylphenyl)succinamide714289-67-5C20H26N4O2S
- 5-((3,5-Dimethylpiperidin-1-yl)(4-methoxyphenyl)methyl)-2-methylthiazolo[3,2-b][1,2,4]triazol-6-ol1008069-59-7C20H26N4O2S
- N'-[2-(2,4-Dimethylphenyl)-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]-N-(3-methylbutyl)oxamide941992-43-4C20H26N4O2S
- 3-[4,6-Dimethyl-2-(methylsulfanyl)pyrimidin-5-yl]-N-methyl-N-{[(4-methylphenyl)carbamoyl]methyl}propanamide1090442-89-9C20H26N4O2S
- 5-((4-Ethoxyphenyl)(3-methylpiperidin-1-yl)methyl)-2-methylthiazolo[3,2-b][1,2,4]triazol-6-ol869342-84-7C20H26N4O2S
- 5-((4-Ethoxyphenyl)(4-methylpiperidin-1-yl)methyl)-2-methylthiazolo[3,2-b][1,2,4]triazol-6-ol869342-92-7C20H26N4O2S
- 2-Ethyl-5-((3-methoxyphenyl)(4-methylpiperidin-1-yl)methyl)thiazolo[3,2-b][1,2,4]triazol-6-ol887218-89-5C20H26N4O2S
- N-(Cyclohexylmethyl)-4-methyl-2-(3-(m-tolyl)ureido)thiazole-5-carboxamide941975-06-0C20H26N4O2S
- N-(Cyclohexylmethyl)-4-methyl-2-(3-(p-tolyl)ureido)thiazole-5-carboxamide942010-87-9C20H26N4O2S
- N-Cycloheptyl-2-(2-(3-(p-tolyl)ureido)thiazol-4-yl)acetamide923221-41-4C20H26N4O2S
- N-(Cyclohexylmethyl)-2-(2-(3-(p-tolyl)ureido)thiazol-4-yl)acetamide923245-04-9C20H26N4O2S
- 5-((4-Ethoxyphenyl)(piperidin-1-yl)methyl)-2-ethylthiazolo[3,2-b][1,2,4]triazol-6-ol898361-54-1C20H26N4O2S
- 2-Ethyl-5-((3-methoxyphenyl)(3-methylpiperidin-1-yl)methyl)thiazolo[3,2-b][1,2,4]triazol-6-ol898361-69-8C20H26N4O2S
- 2-Ethyl-5-((4-methoxyphenyl)(3-methylpiperidin-1-yl)methyl)thiazolo[3,2-b][1,2,4]triazol-6-ol898361-71-2C20H26N4O2S
- 2-Ethyl-5-((4-methoxyphenyl)(4-methylpiperidin-1-yl)methyl)thiazolo[3,2-b][1,2,4]triazol-6-ol898361-95-0C20H26N4O2S
- 2-Ethyl-5-((4-isopropylphenyl)(morpholino)methyl)thiazolo[3,2-b][1,2,4]triazol-6-ol886910-00-5C20H26N4O2S
- 5-((2,6-Dimethylmorpholino)(p-tolyl)methyl)-2-ethylthiazolo[3,2-b][1,2,4]triazol-6-ol1008065-08-4C20H26N4O2S
- 2-Ethyl-5-((4-ethylphenyl)(4-hydroxypiperidin-1-yl)methyl)thiazolo[3,2-b][1,2,4]triazol-6-ol898350-58-8C20H26N4O2S
- 2-(2-(3-Cyclopentylureido)thiazol-4-yl)-N-mesitylacetamide921830-51-5C20H26N4O2S
- 2-{2-[(Cyclohexylcarbamoyl)amino]-1,3-thiazol-4-yl}-N-(3,5-dimethylphenyl)acetamide921488-46-2C20H26N4O2S
- 2-{2-[(Cyclopentylcarbamoyl)amino]-1,3-thiazol-4-yl}-N-[4-(propan-2-yl)phenyl]acetamide921830-15-1C20H26N4O2S
- 2-(2-(3-Cyclohexylureido)thiazol-4-yl)-N-(2,6-dimethylphenyl)acetamide921493-44-9C20H26N4O2S
- 2-(2-(3-Cyclohexylureido)thiazol-4-yl)-N-(2,4-dimethylphenyl)acetamide921488-40-6C20H26N4O2S
- 2-(2-(3-Cyclohexylureido)thiazol-4-yl)-N-(3,4-dimethylphenyl)acetamide921488-43-9C20H26N4O2S
- N-Pentyl-4-[(3-thiomorpholin-4-ylpyrazin-2-yl)oxy]benzamide1115876-73-7C20H26N4O2S
- 4-(Pyridin-4-yloxy)-N-(thiophen-2-yl)-[1,4'-bipiperidine]-1'-carboxamide1706265-45-3C20H26N4O2S
- 3-(2-(4-(6,7-Dihydrothieno[3,2-c]pyridin-5(4H)-yl)piperidin-1-yl)-2-oxoethyl)-5,6-dimethylpyrimidin-4(3H)-one2034429-29-1C20H26N4O2S
- N-((6-(Diethylamino)pyridin-3-yl)methyl)-2-((tetrahydrothiophen-3-yl)oxy)isonicotinamide2034390-04-8C20H26N4O2S
- (2,4-Dimethylthiazol-5-yl)(4-(((5,6,7,8-tetrahydrocinnolin-3-yl)oxy)methyl)piperidin-1-yl)methanone2320378-37-6C20H26N4O2S
- 4-Cyclobutyl-6-{[1-(2,4-dimethyl-1,3-thiazole-5-carbonyl)piperidin-4-yl]methoxy}pyrimidine2320504-41-2C20H26N4O2S
- 4,4'-Sulfanediylbis(N-phenylbutanehydrazonic acid)6326-81-4C20H26N4O2S
- 3-[4,6-Dimethyl-2-(methylsulfanyl)pyrimidin-5-yl]-N-[4-(morpholin-4-yl)phenyl]propanamide930478-80-1C20H26N4O2S
- 4-({3-[4,6-Dimethyl-2-(methylsulfanyl)pyrimidin-5-yl]-N-methylpropanamido}methyl)-N-methylbenzamide1017100-00-3C20H26N4O2S
- N-(1-Cyanocycloheptyl)-2-{[5-(pyrrolidine-1-carbonyl)pyridin-2-yl]sulfanyl}acetamide1088220-77-2C20H26N4O2S
- 2-(2-(3-Cyclohexylureido)thiazol-4-yl)-N-phenethylacetamide921487-86-7C20H26N4O2S
- 1-Phenyl-N-[1-(5,6,7,8-tetrahydroquinazolin-4-yl)piperidin-4-yl]methanesulfonamide2034258-12-1C20H26N4O2S
- N'-[2-(Cyclohex-1-en-1-yl)ethyl]-N-{2-[5-(1-methyl-1H-pyrazol-4-yl)thiophen-2-yl]ethyl}ethanediamide2640975-12-6C20H26N4O2S
- 2-(2-(3-Cyclohexylureido)thiazol-4-yl)-N-(1-phenylethyl)acetamide921487-83-4C20H26N4O2S
- 2-(2-(3-Cyclohexylureido)thiazol-4-yl)-N-(4-ethylphenyl)acetamide921492-96-8C20H26N4O2S
- 5-Methyl-3-[3-(morpholine-4-carbonyl)pyrrolidin-1-yl]-8-thia-4,6-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2,4,6-tetraene2877633-69-5C20H26N4O2S
Frequently asked questions
What is the molar mass of C20H26N4O2S?
The molar mass of C20H26N4O2S is 386.51 g/mol, calculated from standard atomic weights for 20 carbon atoms, 26 hydrogen atoms, 4 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 386.1776 Da.
How many compounds have the formula C20H26N4O2S?
CompoundList lists 109 compounds with the molecular formula C20H26N4O2S, including 1-[1-Ethyl-4-[4-(4-methoxyphenyl)-1-piperazinyl]-6-methyl-2-sulfanylidene-5-pyrimidinyl]ethanone, N-Cyclohexyl-2-[[5-(4-methoxyphenyl)-4-prop-2-enyl-1,2,4-triazol-3-yl]sulfanyl]acetamide, 3-Methyl-8-(3-methylbutylsulfanyl)-7-(3-phenylpropyl)purine-2,6-dione. 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 C20H26N4O2S?
C20H26N4O2S has a degree of unsaturation of 10. 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.