摩熵化学
数据库官网
小程序
打开微信扫一扫
首页 分子通 化学资讯 化学百科 反应查询 关于我们
请输入关键词

四吡咯及其衍生物

中文名称 英文名称 CAS号 化学式 结构式图片
—— 5,10,15-Triphenyl-20-pyridin-4-yl-21,22,23,24-tetrahydroporphyrin —— C43H31N5
5,10,15-Triphenyl-20-pyridin-4-yl-21,22,23,24-tetrahydroporphyrin
—— 17,21,22,26,27,31,31-Heptaethyl-19-(4-methoxyphenyl)-16-methyl-12,28,29,30-tetrazaheptacyclo[23.2.1.110,13.115,18.120,23.02,11.03,8]hentriaconta-1(27),2(11),3,5,7,9,13,15,17,19,21,23,25-tridecaene —— C49H56N4O
17,21,22,26,27,31,31-Heptaethyl-19-(4-methoxyphenyl)-16-methyl-12,28,29,30-tetrazaheptacyclo[23.2.1.110,13.115,18.120,23.02,11.03,8]hentriaconta-1(27),2(11),3,5,7,9,13,15,17,19,21,23,25-tridecaene
—— 12,13,21,22,23,24-hexahydro-3H-porphyrin-2-one —— C20H18N4O
12,13,21,22,23,24-hexahydro-3H-porphyrin-2-one
—— 5,10,15-Tris(4-ethylphenyl)-20-phenyl-21,22,23,24-tetrahydroporphyrin —— C50H44N4
5,10,15-Tris(4-ethylphenyl)-20-phenyl-21,22,23,24-tetrahydroporphyrin
—— 15-Ethenyl-20-methoxycarbonyl-4,5,9,10,14,19-hexamethyl-25,26,27,28-tetrazahexacyclo[16.6.1.13,6.18,11.113,16.019,24]octacosa-1,3,5,7,9,11,13,15,17,21,23-undecaene-21-carboxylic acid —— C35H36N4O4
15-Ethenyl-20-methoxycarbonyl-4,5,9,10,14,19-hexamethyl-25,26,27,28-tetrazahexacyclo[16.6.1.13,6.18,11.113,16.019,24]octacosa-1,3,5,7,9,11,13,15,17,21,23-undecaene-21-carboxylic acid
—— 3-[5,10,15,20-Tetrakis(4-methoxyphenyl)-21,22,23,24-tetrahydroporphyrin-2-yl]prop-2-en-1-ol —— C51H44N4O5
3-[5,10,15,20-Tetrakis(4-methoxyphenyl)-21,22,23,24-tetrahydroporphyrin-2-yl]prop-2-en-1-ol
—— 5,15-Di(azulen-2-yl)-2,3,7,8,12,13,17,18-octamethyl-21,22,23,24-tetrahydroporphyrin —— C48H44N4
5,15-Di(azulen-2-yl)-2,3,7,8,12,13,17,18-octamethyl-21,22,23,24-tetrahydroporphyrin
—— 23-Benzyl-5,10,15-tris(2,3,4,5,6-pentafluorophenyl)-8,21,22,24-tetrahydrocorrin —— C44H19F15N4
23-Benzyl-5,10,15-tris(2,3,4,5,6-pentafluorophenyl)-8,21,22,24-tetrahydrocorrin
—— 5,10,15-Triphenyl-20-thiophen-3-yl-21,22,23,24-tetrahydroporphyrin —— C42H30N4S
5,10,15-Triphenyl-20-thiophen-3-yl-21,22,23,24-tetrahydroporphyrin
—— 4-[15-(4-Aminophenyl)-10,20-bis(2,4,6-trimethylphenyl)-21,22,23,24-tetrahydroporphyrin-5-yl]aniline —— C50H46N6
4-[15-(4-Aminophenyl)-10,20-bis(2,4,6-trimethylphenyl)-21,22,23,24-tetrahydroporphyrin-5-yl]aniline
—— 3-[10-(1-Methylimidazol-2-yl)-20-[3-[15-(1-methylimidazol-2-yl)-10,20-bis(2-oxooxan-3-yl)-21,22,23,24-tetrahydroporphyrin-5-yl]phenyl]-15-(2-oxooxan-3-yl)-21,22,23,24-tetrahydroporphyrin-5-yl]oxan-2-one —— C74H66N12O8
3-[10-(1-Methylimidazol-2-yl)-20-[3-[15-(1-methylimidazol-2-yl)-10,20-bis(2-oxooxan-3-yl)-21,22,23,24-tetrahydroporphyrin-5-yl]phenyl]-15-(2-oxooxan-3-yl)-21,22,23,24-tetrahydroporphyrin-5-yl]oxan-2-one
—— 2-[5-[(3-ethenylidene-5-hydroxy-4-methyl-1H-pyrrol-2-ylidene)methyl]-2-[[5-[(3-ethenylidene-5-hydroxy-4-methyl-1H-pyrrol-2-ylidene)methyl]-4-methyl-3-(2-sulfoethyl)-1H-pyrrol-2-yl]methyl]-4-methyl-1H-pyrrol-3-yl]ethanesulfonic acid —— C31H36N4O8S2
2-[5-[(3-ethenylidene-5-hydroxy-4-methyl-1H-pyrrol-2-ylidene)methyl]-2-[[5-[(3-ethenylidene-5-hydroxy-4-methyl-1H-pyrrol-2-ylidene)methyl]-4-methyl-3-(2-sulfoethyl)-1H-pyrrol-2-yl]methyl]-4-methyl-1H-pyrrol-3-yl]ethanesulfonic acid
—— Propyl 4-[8,13-diethyl-3,7,12,17-tetramethyl-18-(4-oxo-4-propoxybutyl)-21,22,23,24-tetrahydroporphyrin-2-yl]butanoate —— C42H56N4O4
Propyl 4-[8,13-diethyl-3,7,12,17-tetramethyl-18-(4-oxo-4-propoxybutyl)-21,22,23,24-tetrahydroporphyrin-2-yl]butanoate
—— 5-(4-Isothiocyanatophenyl)-10,15,20-tris[4-(4-methylpyridin-1-ium-1-yl)phenyl]-21,22,23,24-tetrahydroporphyrin —— C63H49N8S+3
5-(4-Isothiocyanatophenyl)-10,15,20-tris[4-(4-methylpyridin-1-ium-1-yl)phenyl]-21,22,23,24-tetrahydroporphyrin
—— Trimethyl-[2-[4-[10-(2,4,6-trimethylphenyl)-21,22,23,24-tetrahydroporphyrin-5-yl]phenyl]ethynyl]silane —— C40H38N4Si
Trimethyl-[2-[4-[10-(2,4,6-trimethylphenyl)-21,22,23,24-tetrahydroporphyrin-5-yl]phenyl]ethynyl]silane
—— 4-[10,15,20-Tris(4-methylphenyl)-21,22,23,24-tetrahydroporphyrin-5-yl]phenol —— C47H38N4O
4-[10,15,20-Tris(4-methylphenyl)-21,22,23,24-tetrahydroporphyrin-5-yl]phenol
—— 2,5,10,15,17,18,20,24-octakis(2-decoxyethyl)-22,23-dihydro-21H-porphyrin —— C116H208N4O8
2,5,10,15,17,18,20,24-octakis(2-decoxyethyl)-22,23-dihydro-21H-porphyrin
—— 5,10,15,20-tetrakis(6-fluoro-1-methyl-2H-pyridin-5-yl)-21,22,23,24-tetrahydroporphyrin —— C44H40F4N8
5,10,15,20-tetrakis(6-fluoro-1-methyl-2H-pyridin-5-yl)-21,22,23,24-tetrahydroporphyrin
—— Trimethyl-[3-[4-[10,15,20-tris[4-[3-(trimethylazaniumyl)propoxy]phenyl]-21,22,23,24-tetrahydroporphyrin-5-yl]phenoxy]propyl]azanium —— C68H88N8O4+4
Trimethyl-[3-[4-[10,15,20-tris[4-[3-(trimethylazaniumyl)propoxy]phenyl]-21,22,23,24-tetrahydroporphyrin-5-yl]phenoxy]propyl]azanium
—— 4-amino-1-phenoxy-3-[10,15,20-tris(3-formyl-1-imino-4-phenoxy-8aH-naphthalen-2-yl)-21,22,23,24-tetrahydroporphyrin-5-yl]naphthalene-2-carbaldehyde —— C88H60N8O8
4-amino-1-phenoxy-3-[10,15,20-tris(3-formyl-1-imino-4-phenoxy-8aH-naphthalen-2-yl)-21,22,23,24-tetrahydroporphyrin-5-yl]naphthalene-2-carbaldehyde
—— (3R,21S,22S)-16-ethenyl-11-ethyl-3,12,17,21,26-pentamethyl-22-(3-oxobutyl)-7,23,24,25-tetrazahexacyclo[18.2.1.15,8.110,13.115,18.02,6]hexacosa-1,5,8(26),9,11,13,15,17,19-nonaen-4-one —— C35H40N4O2
(3R,21S,22S)-16-ethenyl-11-ethyl-3,12,17,21,26-pentamethyl-22-(3-oxobutyl)-7,23,24,25-tetrazahexacyclo[18.2.1.15,8.110,13.115,18.02,6]hexacosa-1,5,8(26),9,11,13,15,17,19-nonaen-4-one
—— methyl 2-[15-(2-methoxycarbonylphenyl)-10,20-bis[2-[4-(N-phenylanilino)phenyl]ethenyl]-21,22,23,24-tetrahydroporphyrin-5-yl]benzoate —— C76H58N6O4
methyl 2-[15-(2-methoxycarbonylphenyl)-10,20-bis[2-[4-(N-phenylanilino)phenyl]ethenyl]-21,22,23,24-tetrahydroporphyrin-5-yl]benzoate
—— 6-[4-[10,15,20-Tris(3,5-didecoxyphenyl)-21,22,23,24-tetrahydroporphyrin-5-yl]phenoxy]hexyl methanesulfonate —— C111H166N4O10S
6-[4-[10,15,20-Tris(3,5-didecoxyphenyl)-21,22,23,24-tetrahydroporphyrin-5-yl]phenoxy]hexyl methanesulfonate
—— 5-(21,22,23,24-Tetrahydroporphyrin-5-yl)benzene-1,2,3,4-tetracarboxylic acid —— C30H20N4O8
5-(21,22,23,24-Tetrahydroporphyrin-5-yl)benzene-1,2,3,4-tetracarboxylic acid
—— 5,15-Bis[2-(4-butylphenyl)ethynyl]-10,20-dipropyl-21,22,23,24-tetrahydroporphyrin —— C50H52N4
5,15-Bis[2-(4-butylphenyl)ethynyl]-10,20-dipropyl-21,22,23,24-tetrahydroporphyrin
—— [2-[1,3-Bis[[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy]propan-2-yl]-4-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-[[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]butyl] 2-[2-[[4-[10,15,20-tris[4-[(dimethylamino)methyl]phenyl]-21,22,23,24-tetrahydroporphyrin-5-yl]phenyl]methoxy]ethoxy]ethyl phosphate —— C90H119N7O30P-
[2-[1,3-Bis[[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy]propan-2-yl]-4-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-[[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]butyl] 2-[2-[[4-[10,15,20-tris[4-[(dimethylamino)methyl]phenyl]-21,22,23,24-tetrahydroporphyrin-5-yl]phenyl]methoxy]ethoxy]ethyl phosphate
—— 5-Phenyl-10-pyridin-2-yl-21,22,23,24-tetrahydroporphyrin —— C31H23N5
5-Phenyl-10-pyridin-2-yl-21,22,23,24-tetrahydroporphyrin
—— 2-[4-[10,20-Bis(4-methylphenyl)-15-[4-(2-trimethylsilylethynyl)phenyl]-21,22,23,24-tetrahydroporphyrin-5-yl]phenyl]ethynyl-tri(propan-2-yl)silane —— C62H64N4Si2
2-[4-[10,20-Bis(4-methylphenyl)-15-[4-(2-trimethylsilylethynyl)phenyl]-21,22,23,24-tetrahydroporphyrin-5-yl]phenyl]ethynyl-tri(propan-2-yl)silane
—— 4-[[6,7,8-Tris(4-carboxyphenoxy)-2,11,20,29,37,38,39,40-octazanonacyclo[28.6.1.13,10.112,19.121,28.04,9.013,18.022,27.031,36]tetraconta-1(36),2,4(9),5,7,10,12,14,16,18,20,22,24,26,28,30,32,34-octadecaen-5-yl]oxy]benzoic acid —— C60H36N8O12
4-[[6,7,8-Tris(4-carboxyphenoxy)-2,11,20,29,37,38,39,40-octazanonacyclo[28.6.1.13,10.112,19.121,28.04,9.013,18.022,27.031,36]tetraconta-1(36),2,4(9),5,7,10,12,14,16,18,20,22,24,26,28,30,32,34-octadecaen-5-yl]oxy]benzoic acid
—— 2-(21,22,23,24-Tetrahydroporphyrin-5-ylmethylidene)propanedioic acid —— C24H18N4O4
2-(21,22,23,24-Tetrahydroporphyrin-5-ylmethylidene)propanedioic acid
—— (17S,18S)-18-[3-[[(1S)-1-carboxyethyl]amino]-3-oxopropyl]-20-(carboxymethyl)-12-ethenyl-7-ethyl-3,8,13,17-tetramethyl-17,18,21,22,23,24-hexahydroporphyrin-2-carboxylic acid —— C37H43N5O7
(17S,18S)-18-[3-[[(1S)-1-carboxyethyl]amino]-3-oxopropyl]-20-(carboxymethyl)-12-ethenyl-7-ethyl-3,8,13,17-tetramethyl-17,18,21,22,23,24-hexahydroporphyrin-2-carboxylic acid
—— 5,10,15,20-Tetrakis(2,6-dibromophenyl)-21,22,23,24-tetrahydroporphyrin —— C44H24Br8N4
5,10,15,20-Tetrakis(2,6-dibromophenyl)-21,22,23,24-tetrahydroporphyrin
—— 3-[3-[10,15-Bis[3-[3-(trimethylazaniumyl)propoxy]phenyl]-20-(3-undecoxyphenyl)-21,22,23,24-tetrahydroporphyrin-5-yl]phenoxy]propyl-trimethylazanium —— C73H96N7O4+3
3-[3-[10,15-Bis[3-[3-(trimethylazaniumyl)propoxy]phenyl]-20-(3-undecoxyphenyl)-21,22,23,24-tetrahydroporphyrin-5-yl]phenoxy]propyl-trimethylazanium
—— 3-[4-[5,6-Dichloro-10-(4-dodecoxyphenyl)-21,24-dihydroporphyrin-5-yl]phenoxy]propyl-dimethyl-[3-(trimethylazaniumyl)propyl]azanium —— C55H72Cl2N6O2+2
3-[4-[5,6-Dichloro-10-(4-dodecoxyphenyl)-21,24-dihydroporphyrin-5-yl]phenoxy]propyl-dimethyl-[3-(trimethylazaniumyl)propyl]azanium
—— 2-Hydroxy-1-(21,22,23,24-tetrahydroporphyrin-5-yl)ethanone —— C22H18N4O2
2-Hydroxy-1-(21,22,23,24-tetrahydroporphyrin-5-yl)ethanone
—— 2-[[4-[10,20-Bis[4-[(3,4,5-trihydroxyoxan-2-yl)sulfanylmethyl]phenyl]-15-[4-(3,4,5-trihydroxyoxan-2-yl)sulfanyloxyphenyl]-21,22,23,24-tetrahydroporphyrin-5-yl]phenyl]methylsulfanyl]oxane-3,4,5-triol —— C67H70N4O17S4
2-[[4-[10,20-Bis[4-[(3,4,5-trihydroxyoxan-2-yl)sulfanylmethyl]phenyl]-15-[4-(3,4,5-trihydroxyoxan-2-yl)sulfanyloxyphenyl]-21,22,23,24-tetrahydroporphyrin-5-yl]phenyl]methylsulfanyl]oxane-3,4,5-triol
—— 3-[2-[[5-[[5-[[3-(2-carboxyethylidene)-5-hydroxy-4-methyl-1H-pyrrol-2-ylidene]methyl]-3-ethenyl-4-methyl-1H-pyrrol-2-yl]methyl]-4-ethenyl-3-methyl-1H-pyrrol-2-yl]methylidene]-5-hydroxy-4-methyl-1H-pyrrol-3-ylidene]propanoic acid —— C33H36N4O6
3-[2-[[5-[[5-[[3-(2-carboxyethylidene)-5-hydroxy-4-methyl-1H-pyrrol-2-ylidene]methyl]-3-ethenyl-4-methyl-1H-pyrrol-2-yl]methyl]-4-ethenyl-3-methyl-1H-pyrrol-2-yl]methylidene]-5-hydroxy-4-methyl-1H-pyrrol-3-ylidene]propanoic acid
—— methyl 3-[16-[(3R,4S,5R)-4-amino-5-hydroxy-3,4-dimethyl-5-phosphanylpyrazol-3-yl]-11-ethyl-12,17,21,26-tetramethyl-4-oxo-7,23,24,25-tetrazahexacyclo[18.2.1.15,8.110,13.115,18.02,6]hexacosa-1,5,8(26),9,11,13,15,17,19-nonaen-22-yl]propanoate —— C37H46N7O4P
methyl 3-[16-[(3R,4S,5R)-4-amino-5-hydroxy-3,4-dimethyl-5-phosphanylpyrazol-3-yl]-11-ethyl-12,17,21,26-tetramethyl-4-oxo-7,23,24,25-tetrazahexacyclo[18.2.1.15,8.110,13.115,18.02,6]hexacosa-1,5,8(26),9,11,13,15,17,19-nonaen-22-yl]propanoate
—— tert-butyl N-[4-[10,20-bis(2,4,6-trimethylphenyl)-21,22,23,24-tetrahydroporphyrin-5-yl]phenyl]carbamate —— C49H49N5O2
tert-butyl N-[4-[10,20-bis(2,4,6-trimethylphenyl)-21,22,23,24-tetrahydroporphyrin-5-yl]phenyl]carbamate
—— 4,20-bis[4-(3-bromopropoxy)phenyl]-21,23-dihydro-1H-porphyrin —— C38H34Br2N4O2
4,20-bis[4-(3-bromopropoxy)phenyl]-21,23-dihydro-1H-porphyrin
—— 10,20-bis(4-methoxyphenyl)-5,15-bis[(1S,2R,6R,8R,9S)-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo[7.3.0.02,6]dodecan-8-yl]-21,22-dihydroporphyrin —— C56H58N4O12
10,20-bis(4-methoxyphenyl)-5,15-bis[(1S,2R,6R,8R,9S)-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo[7.3.0.02,6]dodecan-8-yl]-21,22-dihydroporphyrin
—— 10,20-bis(4-nitrophenyl)-5,15-bis[(1S,2R,6R,8R,9S)-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo[7.3.0.02,6]dodecan-8-yl]-21,22-dihydroporphyrin —— C54H52N6O14
10,20-bis(4-nitrophenyl)-5,15-bis[(1S,2R,6R,8R,9S)-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo[7.3.0.02,6]dodecan-8-yl]-21,22-dihydroporphyrin
—— 10,20-bis(4-chlorophenyl)-5,15-bis[(1S,2R,6R,8R,9S)-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo[7.3.0.02,6]dodecan-8-yl]-21,22-dihydroporphyrin —— C54H52Cl2N4O10
10,20-bis(4-chlorophenyl)-5,15-bis[(1S,2R,6R,8R,9S)-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo[7.3.0.02,6]dodecan-8-yl]-21,22-dihydroporphyrin
—— 5,15-bis[(1S,2R,6R,8R,9S)-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo[7.3.0.02,6]dodecan-8-yl]-10,20-di(thiophen-3-yl)-21,22-dihydroporphyrin —— C50H50N4O10S2
5,15-bis[(1S,2R,6R,8R,9S)-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo[7.3.0.02,6]dodecan-8-yl]-10,20-di(thiophen-3-yl)-21,22-dihydroporphyrin
—— 5,15-bis[(1S,2R,6R,8R,9S)-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo[7.3.0.02,6]dodecan-8-yl]-10,20-bis[4-(trifluoromethoxy)phenyl]-21,22-dihydroporphyrin —— C56H52F6N4O12
5,15-bis[(1S,2R,6R,8R,9S)-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo[7.3.0.02,6]dodecan-8-yl]-10,20-bis[4-(trifluoromethoxy)phenyl]-21,22-dihydroporphyrin
—— 3-(4-boronophenyl)-2-[3-[18-[3-[[2-(4-boronophenyl)-1-carboxyethyl]amino]-3-oxopropyl]-12-ethenyl-7-[(E)-2-(ethoxyamino)ethenyl]-8-hydroxy-3,8,13,17-tetramethyl-23H-porphyrin-2-yl]propanoylamino]propanoic acid —— C54H59B2N7O12
3-(4-boronophenyl)-2-[3-[18-[3-[[2-(4-boronophenyl)-1-carboxyethyl]amino]-3-oxopropyl]-12-ethenyl-7-[(E)-2-(ethoxyamino)ethenyl]-8-hydroxy-3,8,13,17-tetramethyl-23H-porphyrin-2-yl]propanoylamino]propanoic acid
—— 2-[3-[18-[3-[bis(carboxymethyl)amino]-3-oxopropyl]-7-[(E)-2-[3-[[(E)-3-(4-boronophenyl)prop-2-enoyl]amino]propoxyamino]ethenyl]-12-ethenyl-8-hydroxy-3,8,13,17-tetramethyl-23H-porphyrin-2-yl]propanoyl-(carboxymethyl)amino]acetic acid —— C54H59BN8O15
2-[3-[18-[3-[bis(carboxymethyl)amino]-3-oxopropyl]-7-[(E)-2-[3-[[(E)-3-(4-boronophenyl)prop-2-enoyl]amino]propoxyamino]ethenyl]-12-ethenyl-8-hydroxy-3,8,13,17-tetramethyl-23H-porphyrin-2-yl]propanoyl-(carboxymethyl)amino]acetic acid
—— sodium;4-[10,15,20-tris(4-sulfophenyl)-23,24-dihydroporphyrin-5-yl]benzenesulfonate —— C44H29N4NaO12S4
sodium;4-[10,15,20-tris(4-sulfophenyl)-23,24-dihydroporphyrin-5-yl]benzenesulfonate
—— 3-[(2S,3S,17S,18S)-3-(2-amino-2-oxoethyl)-8,12,17-tris(2-carboxylatoethyl)-7,13,18-tris(carboxylatomethyl)-3,18-dimethyl-2,17-dihydroporphyrin-21,23-diid-2-yl]propanoate;iron(2+) —— C42H38FeN5O15-7
3-[(2S,3S,17S,18S)-3-(2-amino-2-oxoethyl)-8,12,17-tris(2-carboxylatoethyl)-7,13,18-tris(carboxylatomethyl)-3,18-dimethyl-2,17-dihydroporphyrin-21,23-diid-2-yl]propanoate;iron(2+)
—— iron(2+);3-[(2S,3S,17S,18S)-8,12,17-tris(2-carboxylatoethyl)-3,18-bis(carboxylatomethyl)-3,7,13,18-tetramethyl-2,17-dihydroporphyrin-21,23-diid-2-yl]propanoate —— C40H38FeN4O12-6
iron(2+);3-[(2S,3S,17S,18S)-8,12,17-tris(2-carboxylatoethyl)-3,18-bis(carboxylatomethyl)-3,7,13,18-tetramethyl-2,17-dihydroporphyrin-21,23-diid-2-yl]propanoate