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中文名称 英文名称 CAS号 化学式 结构式图片
—— 4-ethyl-1-carboxymethyl-2,6-dimethyl-pyridinium; picrate 109405-96-1 C6H2N3O7*C11H16NO2
4-ethyl-1-carboxymethyl-2,6-dimethyl-pyridinium; picrate
—— 4-Hydroxy-3,5-dimethyl-4-((E)-3-oxo-but-1-enyl)-cyclohex-2-enone 65133-89-3 C12H16O3
4-Hydroxy-3,5-dimethyl-4-((E)-3-oxo-but-1-enyl)-cyclohex-2-enone
—— 4α-Acetoxycholest-5-en-1-on 63708-23-6 C29H46O3
4α-Acetoxycholest-5-en-1-on
—— 4-Methyl-2-[2-(5-nitro-1,3-dioxo-1,3-dihydro-isoindol-2-yl)-propionylamino]-pentanoic acid methyl ester 65912-47-2 C18H21N3O7
4-Methyl-2-[2-(5-nitro-1,3-dioxo-1,3-dihydro-isoindol-2-yl)-propionylamino]-pentanoic acid methyl ester
—— (4’,4-dichloro-1,1’-biphenyl-2-yl)dimethylsilane 1252259-72-5 C14H15ClSi
(4’,4-dichloro-1,1’-biphenyl-2-yl)dimethylsilane
—— 4-hydroxy-2-[4-(morpholinosulfonyl)benzyloxy]benzaldehyde 1257999-42-0 C18H19NO6S
4-hydroxy-2-[4-(morpholinosulfonyl)benzyloxy]benzaldehyde
—— 4-(2-methyl-2,3-di-piperidin-1-yl-propyl)-morpholine 95220-09-0 C18H35N3O
4-(2-methyl-2,3-di-piperidin-1-yl-propyl)-morpholine
—— 4-chloro-(2-chloroethyl)-6,7-dimethoxyphtalazin-1(2H)-one 126278-63-5 C12H12Cl2N2O3
4-chloro-(2-chloroethyl)-6,7-dimethoxyphtalazin-1(2H)-one
—— 4-chloro-N-(3-iodobenzylidene)aniline 1391108-21-6 C13H9ClIN
4-chloro-N-(3-iodobenzylidene)aniline
—— 4-(4-chlorophenyl)-3-isopropoxy-1,5-dimethyl-1H-pyrazole 1155802-55-3 C14H17ClN2O
4-(4-chlorophenyl)-3-isopropoxy-1,5-dimethyl-1H-pyrazole
—— 4-[2-[5-(Aminocarbonyl)-1-ethyl-1,2,3,6-tetrahydro-4-methyl-2,6-dioxo-3-pyridinyl]diazenyl]-6-[[4-chloro-6-[[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfophenyl]amino]-1,3,5-triazin-2-yl]amino]-1,3-benzenedisulfonic acid 1182723-65-4 C27H22Cl3N13O12S3
4-[2-[5-(Aminocarbonyl)-1-ethyl-1,2,3,6-tetrahydro-4-methyl-2,6-dioxo-3-pyridinyl]diazenyl]-6-[[4-chloro-6-[[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfophenyl]amino]-1,3,5-triazin-2-yl]amino]-1,3-benzenedisulfonic acid
—— 4-Pyridinecarbonyl chloride, 5-cyano-2-(difluoromethoxy)- 1805635-11-3 C8H3ClF2N2O2
4-Pyridinecarbonyl chloride, 5-cyano-2-(difluoromethoxy)-
—— 4,8-Epoxy-6H-pyrazolo[4,3-d]azocine-6-carboxylic acid, 1,4,5,7,8,9-hexahydro-, 1,1-dimethylethyl ester 1251016-53-1 C13H19N3O3
4,8-Epoxy-6H-pyrazolo[4,3-d]azocine-6-carboxylic acid, 1,4,5,7,8,9-hexahydro-, 1,1-dimethylethyl ester
—— 4-(4-Fluorophenyl)-1-(5,6,7,8-tetrahydro-2-naphthalenyl)-1,2,4-triazolidine-3,5-dione 5229-42-5 C18H16FN3O2
4-(4-Fluorophenyl)-1-(5,6,7,8-tetrahydro-2-naphthalenyl)-1,2,4-triazolidine-3,5-dione
—— 4-[(2,4-dichlorophenyl)amino]-7-[(1E)-6-morpholin-4-ylhex-1-enyl]quinoline-3-carbonitrile 946490-20-6 C26H26Cl2N4O
4-[(2,4-dichlorophenyl)amino]-7-[(1E)-6-morpholin-4-ylhex-1-enyl]quinoline-3-carbonitrile
—— {4-[3-(2,3-dimethoxy-phenyl)-[1,2,4]oxadiazol-5-yl]-6-methyl-pyridin-2-yl}-diethyl-amine 1062673-99-7 C20H24N4O3
{4-[3-(2,3-dimethoxy-phenyl)-[1,2,4]oxadiazol-5-yl]-6-methyl-pyridin-2-yl}-diethyl-amine
—— 4-Pyridinecarboxylic acid, 3-cyano-5-(trifluoromethyl)-, ethyl ester 1804515-77-2 C10H7F3N2O2
4-Pyridinecarboxylic acid, 3-cyano-5-(trifluoromethyl)-, ethyl ester
—— 4-Amino-6-[2-[4-[[[4-[2-(2,4-dihydroxyphenyl)diazenyl]phenyl]sulfonyl]amino]phenyl]diazenyl]-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-2,7-naphthalenedisulfonic acid sodium salt (1:2) 1185314-63-9 C34H23N9Na2O13S3
4-Amino-6-[2-[4-[[[4-[2-(2,4-dihydroxyphenyl)diazenyl]phenyl]sulfonyl]amino]phenyl]diazenyl]-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-2,7-naphthalenedisulfonic acid sodium salt (1:2)
—— 4-[2-(3,4-Dimethoxyphenyl)-2-oxoethoxy]benzaldehyde 1835-03-6 C17H16O5
4-[2-(3,4-Dimethoxyphenyl)-2-oxoethoxy]benzaldehyde
—— 4-(2H-chromen-4-yl)benzoyl chloride 461665-56-5 C16H11ClO2
4-(2H-chromen-4-yl)benzoyl chloride
—— 4-[2-[(2,6-Difluoro-3-methylphenoxy)methyl]phenyl]piperidine 1227304-25-7 C19H21F2NO
4-[2-[(2,6-Difluoro-3-methylphenoxy)methyl]phenyl]piperidine
—— 4-[(Perfluoro-1-ethyl-2-methyl-1-propen-1-yl)oxy]benzoic acid sodium salt 927408-18-2 C13H4F11NaO3
4-[(Perfluoro-1-ethyl-2-methyl-1-propen-1-yl)oxy]benzoic acid sodium salt
—— 4-Pyridineacetic acid, 3-(chloromethyl)-2-cyano-6-(difluoromethyl)-, ethyl ester 1804418-65-2 C12H11ClF2N2O2
4-Pyridineacetic acid, 3-(chloromethyl)-2-cyano-6-(difluoromethyl)-, ethyl ester
—— 4,4a(2)-[(Phenylmethyl)imino]bis[4-hydroxy-2-butanone] 1184936-64-8 C15H21NO4
4,4a(2)-[(Phenylmethyl)imino]bis[4-hydroxy-2-butanone]
—— 4-[5-[(1R)-1-Amino-3-hydroxypropyl]-2-thienyl]benzonitrile 1213390-37-4 C14H14N2OS
4-[5-[(1R)-1-Amino-3-hydroxypropyl]-2-thienyl]benzonitrile
—— 4-chloro-5-hydroxy-2(E)-(3-phenylprop-2(E)-en-1-ylidene)cyclopent-4-en-1,3-dione 1241977-48-9 C14H9ClO3
4-chloro-5-hydroxy-2(E)-(3-phenylprop-2(E)-en-1-ylidene)cyclopent-4-en-1,3-dione
—— (4,5,5a,6,7,8-Hexahydro-pyren-4-yl)-acetic acid 70200-26-9 C18H18O2
(4,5,5a,6,7,8-Hexahydro-pyren-4-yl)-acetic acid
—— 4-(4-bromo-phenyl)-1,2,6-trimethyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid diethyl ester 69368-60-1 C20H24BrNO4
4-(4-bromo-phenyl)-1,2,6-trimethyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid diethyl ester
—— (4-Acetyl-phenyl)-carbamic acid 4-acetyl-phenyl ester 66522-59-6 C17H15NO4
(4-Acetyl-phenyl)-carbamic acid 4-acetyl-phenyl ester
—— 4-methylsulfanyl-[1,2,4]triazolo[4,3-<i>a</i>]quinoxaline 67958-36-5 C10H8N4S
4-methylsulfanyl-[1,2,4]triazolo[4,3-<i>a</i>]quinoxaline
—— 4-(3-amino-phenyl)-6-benzyl-2-methyl-7-oxo-6,7-dihydro-5<i>H</i>-pyrrolo[3,4-<i>b</i>]pyridine-3-carboxylic acid ethyl ester 67043-87-2 C24H23N3O3
4-(3-amino-phenyl)-6-benzyl-2-methyl-7-oxo-6,7-dihydro-5<i>H</i>-pyrrolo[3,4-<i>b</i>]pyridine-3-carboxylic acid ethyl ester
—— 4-(2-Carbomethoxy-5-chloroanilino)-2-chloro-5-nitropyrimidin 66427-77-8 C12H8Cl2N4O4
4-(2-Carbomethoxy-5-chloroanilino)-2-chloro-5-nitropyrimidin
—— (4-Methoxyphenoxy)-trimethylstannane 64128-17-2 C10H16O2Sn
(4-Methoxyphenoxy)-trimethylstannane
—— 4-(2-hydroxy-3-(5-(3-nitrobenzyliden)-4-oxo-2-(phenylimino)thiazolidin-3-yl)propylamino)benzohydrazide 1119622-63-7 C26H24N6O5S
4-(2-hydroxy-3-(5-(3-nitrobenzyliden)-4-oxo-2-(phenylimino)thiazolidin-3-yl)propylamino)benzohydrazide
—— 4-bromo-1-[2-(pyrrolidin-1-yl)ethyl]-1H-indole 1771165-81-1 C14H17BrN2
4-bromo-1-[2-(pyrrolidin-1-yl)ethyl]-1H-indole
—— 4,4'-di[(3-methyl-6-tert-butyl-catecholato)triphenylantimony(V)] 849642-25-7 C58H56O4Sb2
4,4'-di[(3-methyl-6-tert-butyl-catecholato)triphenylantimony(V)]
—— 4-[2-Mercapto-6-(2,3,5-trimethoxy-phenyl)-5,6-dihydro-pyrimidin-4-yl]-phenol 850405-25-3 C19H20N2O4S
4-[2-Mercapto-6-(2,3,5-trimethoxy-phenyl)-5,6-dihydro-pyrimidin-4-yl]-phenol
—— 4'-(bromomethyl)-3-chloro-4-fluorobiphenyl 1247065-97-9 C13H9BrClF
4'-(bromomethyl)-3-chloro-4-fluorobiphenyl
—— 4-Iodo-benzoic acid [(Z)-3-hydroxy-3-phenyl-prop-2-en-(E)-ylidene]-hydrazide 69807-58-5 C16H13IN2O2
4-Iodo-benzoic acid [(Z)-3-hydroxy-3-phenyl-prop-2-en-(E)-ylidene]-hydrazide
—— 4'-Methoxy-5-acetoxy-6,7-methylendioxyflavon 68203-92-9 C19H14O7
4'-Methoxy-5-acetoxy-6,7-methylendioxyflavon
—— 4-dimethylamino-2-(tri-<i>O</i>-benzoyl-α-<i>D</i>-ribofuranosylamino)-8<i>H</i>-pteridin-7-one 35898-37-4 C34H30N6O8
4-dimethylamino-2-(tri-<i>O</i>-benzoyl-α-<i>D</i>-ribofuranosylamino)-8<i>H</i>-pteridin-7-one
—— [4-(3-trifluoromethyl-phenyl)-4<i>H</i>-[1,2,4]triazol-3-ylsulfanyl]-acetic acid (5-bromo-2-hydroxy-benzylidene)-hydrazide 67128-81-8 C18H13BrF3N5O2S
[4-(3-trifluoromethyl-phenyl)-4<i>H</i>-[1,2,4]triazol-3-ylsulfanyl]-acetic acid (5-bromo-2-hydroxy-benzylidene)-hydrazide
—— (4<i>S</i>)-2<i>c</i>-[(<i>R</i>)-benzylcarbamoyl-(2-phenyl-acetylamino)-methyl]-5,5-dimethyl-thiazolidine-4<i>r</i>-carboxylic acid methyl ester 70138-38-4 C24H29N3O4S
(4<i>S</i>)-2<i>c</i>-[(<i>R</i>)-benzylcarbamoyl-(2-phenyl-acetylamino)-methyl]-5,5-dimethyl-thiazolidine-4<i>r</i>-carboxylic acid methyl ester
—— ((4-heptylphenyl)ethynyl)trimethylsilane 1374220-23-1 C18H28Si
((4-heptylphenyl)ethynyl)trimethylsilane
—— 4-amino-5-methoxy-2-(trifluoromethyl)benzonitrile 888073-06-1 C9H7F3N2O
4-amino-5-methoxy-2-(trifluoromethyl)benzonitrile
—— 4-((4-((4-(tert-butyl)phenyl)(cyano)methyl)pyrimidin-2-yl)amino)benzonitrile 1334320-21-6 C23H21N5
4-((4-((4-(tert-butyl)phenyl)(cyano)methyl)pyrimidin-2-yl)amino)benzonitrile
—— 4-[(5-Chloropyridin-2-yl)methoxy]-1-[6-[2-(oxolan-3-ylamino)ethylamino]pyridin-3-yl]pyridin-2-one 1257515-48-2 C22H24ClN5O3
4-[(5-Chloropyridin-2-yl)methoxy]-1-[6-[2-(oxolan-3-ylamino)ethylamino]pyridin-3-yl]pyridin-2-one
—— 4-Methoxy-5-[(E)-3-(4-methoxy-phenyl)-prop-2-en-(Z)-ylidene]-5H-furan-2-one 111671-14-8 C15H14O4
4-Methoxy-5-[(E)-3-(4-methoxy-phenyl)-prop-2-en-(Z)-ylidene]-5H-furan-2-one
—— 4-Benzyl-5-(m-nitrophenyl)sulfonylimino-3-phenylimino-1,2,4-dithiazolidine 132712-92-6 C21H16N4O4S3
4-Benzyl-5-(m-nitrophenyl)sulfonylimino-3-phenylimino-1,2,4-dithiazolidine
—— (4S,6S)-4-Benzyloxymethyl-6-[1,3]dithian-2-yl-2,2-dimethyl-[1,3]dioxane 112497-16-2 C18H26O3S2
(4S,6S)-4-Benzyloxymethyl-6-[1,3]dithian-2-yl-2,2-dimethyl-[1,3]dioxane