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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-methanesulfinyl-3,3-dimethyl-4-methylsulfanyl-but-1-ene 495397-44-9 C8H16OS2
    4-methanesulfinyl-3,3-dimethyl-4-methylsulfanyl-but-1-ene
    —— 4-[(5-Nitro-thiazol-2-yl)-hydrazono]-4-phenyl-butyric acid 135275-67-1 C13H12N4O4S
    4-[(5-Nitro-thiazol-2-yl)-hydrazono]-4-phenyl-butyric acid
    —— 4-[4-[3-(4,4-Dimethyl-2,5-dioxoimidazolidin-1-yl)-2-oxopropyl]sulfanylphenoxy]benzonitrile 1026031-29-7 C21H19N3O4S
    4-[4-[3-(4,4-Dimethyl-2,5-dioxoimidazolidin-1-yl)-2-oxopropyl]sulfanylphenoxy]benzonitrile
    —— 4-(Dimethoxy-phosphoryl)-3-(methoxycarbonyl-hydrazono)-butyric acid ethyl ester 103517-95-9 C10H19N2O7P
    4-(Dimethoxy-phosphoryl)-3-(methoxycarbonyl-hydrazono)-butyric acid ethyl ester
    —— 4-methyl-2-oxo-1-oxaspiro[4.5]decane-3-carboxamide 55558-09-3 C11H17NO3
    4-methyl-2-oxo-1-oxaspiro[4.5]decane-3-carboxamide
    —— 4-(3-hydroxy-2-methoxybenzoyl)-1-(2-p-tolylethyl)-piperidine 1160298-53-2 C22H27NO3
    4-(3-hydroxy-2-methoxybenzoyl)-1-(2-p-tolylethyl)-piperidine
    —— (4S,5R,6S)-6-((1'R)-hydroxyethyl)-4-methyl-3-(4-nitro-phenyl)-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl-ester 1354627-14-7 C23H21N3O8
    (4S,5R,6S)-6-((1'R)-hydroxyethyl)-4-methyl-3-(4-nitro-phenyl)-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl-ester
    —— 4-iodo-N-(2-hydroxyphenyl)benzamide 923788-84-5 C13H10INO2
    4-iodo-N-(2-hydroxyphenyl)benzamide
    —— [(4R)-2,2-dimethyl-4-(2-methylsulfanylethyl)-1,3-oxazolidin-3-yl]-[(2R,3S)-3-nonyloxiran-2-yl]methanone 1643949-38-5 C20H37NO3S
    [(4R)-2,2-dimethyl-4-(2-methylsulfanylethyl)-1,3-oxazolidin-3-yl]-[(2R,3S)-3-nonyloxiran-2-yl]methanone
    —— 4-(5-Phenyl-[1,3,4]thiadiazol-2-ylazo)-phenylamine 75822-76-3 C14H11N5S
    4-(5-Phenyl-[1,3,4]thiadiazol-2-ylazo)-phenylamine
    —— 4-methyl-2-[(2,4,6-trioxo-tetrahydro-pyrimidin-5-ylidene)-hydrazino]-thiazole-5-carboxylic acid ethyl ester 115231-33-9 C11H11N5O5S
    4-methyl-2-[(2,4,6-trioxo-tetrahydro-pyrimidin-5-ylidene)-hydrazino]-thiazole-5-carboxylic acid ethyl ester
    —— 4-bromo-3-(4-trifluoromethyl-1H-imidazol-2-yl)-1H-pyrazole 1020351-49-8 C7H4BrF3N4
    4-bromo-3-(4-trifluoromethyl-1H-imidazol-2-yl)-1H-pyrazole
    —— 4-<i>sec</i>-butoxy-oct-3-en-2-one 55337-43-4 C12H22O2
    4-<i>sec</i>-butoxy-oct-3-en-2-one
    —— 4-[[4-[4-(Furan-2-yl)-2,6-dimethylphenoxy]pyrimidin-2-yl]amino]benzonitrile 500292-26-2 C23H18N4O2
    4-[[4-[4-(Furan-2-yl)-2,6-dimethylphenoxy]pyrimidin-2-yl]amino]benzonitrile
    —— 4-chloro-5-methoxy-2(E)-(3-phenylprop-2(E)-en-1-ylidene)cyclopent-4-en-1,3-dione 1241977-49-0 C15H11ClO3
    4-chloro-5-methoxy-2(E)-(3-phenylprop-2(E)-en-1-ylidene)cyclopent-4-en-1,3-dione
    —— 4,6-di(2,6-dichlorophenyl)[1,3,5]triazinane-2-thione 1198015-06-3 C15H11Cl4N3S
    4,6-di(2,6-dichlorophenyl)[1,3,5]triazinane-2-thione
    —— (4-chloro-benzyl)-piperidinomethyl-malonic acid 860375-05-9 C16H20ClNO4
    (4-chloro-benzyl)-piperidinomethyl-malonic acid
    —— 4,7-diphenyl-1,10-phenanthroline-2,9-dicarboxylic acid di-n-propyl ester 1112789-64-6 C32H28N2O4
    4,7-diphenyl-1,10-phenanthroline-2,9-dicarboxylic acid di-n-propyl ester
    —— 4-Hydroxy-3.5-dibrom-phenylmethan-bisphosphonsaeure 128897-56-3 C7H8Br2O7P2
    4-Hydroxy-3.5-dibrom-phenylmethan-bisphosphonsaeure
    —— 4-β-D-ribofuranosyl-1,4-thiazine-3-one 1-oxide 114184-57-5 C9H13NO6S
    4-β-D-ribofuranosyl-1,4-thiazine-3-one 1-oxide
    —— 4-Hydroxy-5-(3-methyl-5-isoxazolyl)-penten-(2) 61449-12-5 C9H13NO2
    4-Hydroxy-5-(3-methyl-5-isoxazolyl)-penten-(2)
    —— 4,4-Dimethyl-2-oxo-pentanoic acid isopropyl ester 55755-05-0 C10H18O3
    4,4-Dimethyl-2-oxo-pentanoic acid isopropyl ester
    —— 4-(4-chloro-benzylidene)-(3a<i>r</i>,6a<i>c</i>)-2,3a,5,6,6a-pentaphenyl-4,6a-dihydro-3a<i>H</i>-cyclopenta[1,3,2]dioxaborole 58225-47-1 C42H30BClO2
    4-(4-chloro-benzylidene)-(3a<i>r</i>,6a<i>c</i>)-2,3a,5,6,6a-pentaphenyl-4,6a-dihydro-3a<i>H</i>-cyclopenta[1,3,2]dioxaborole
    —— (4aR,5R,7S,8aS)-5-(cyanomethyl)-8a-ethynyl-N,N,7-trimethyloctahydroquinoline-1(2H)-carboxamide 1438285-79-0 C17H25N3O
    (4aR,5R,7S,8aS)-5-(cyanomethyl)-8a-ethynyl-N,N,7-trimethyloctahydroquinoline-1(2H)-carboxamide
    —— (4R,5S,E)-4,5-bis(benzyloxy)-1-phenylhepta-2,6-dien-1-one 1161813-06-4 C27H26O3
    (4R,5S,E)-4,5-bis(benzyloxy)-1-phenylhepta-2,6-dien-1-one
    —— 4-methyl-2,6-dioxo-8-(1-(4-vinylphenyl)vinyl)hexahydro-8l4-[1,3,2]oxazaborolo[2,3-b][1,3,2]oxazaborol-4-ium 1449377-17-6 C15H16BNO4
    4-methyl-2,6-dioxo-8-(1-(4-vinylphenyl)vinyl)hexahydro-8l4-[1,3,2]oxazaborolo[2,3-b][1,3,2]oxazaborol-4-ium
    —— 4-ethyl-1-(3-(3-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)propyl)-4,5-dimethoxyphenyl)octane-1,3-dione 148794-66-5 C28H52O6Si3
    4-ethyl-1-(3-(3-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)propyl)-4,5-dimethoxyphenyl)octane-1,3-dione
    —— 4-[3-(3,4-dimethoxy-phenyl)-quinoxalin-5-yl]-N-methyl-benzenesulfonamide 1092499-17-6 C23H21N3O4S
    4-[3-(3,4-dimethoxy-phenyl)-quinoxalin-5-yl]-N-methyl-benzenesulfonamide
    —— 4-(1-cyclohexyl-4-{3-[3-(methylsulfonyl)phenyl]-1,2,4-oxadiazol-5-yl}-1H-pyrazol-5-yl)pyridine 1258009-14-1 C23H23N5O3S
    4-(1-cyclohexyl-4-{3-[3-(methylsulfonyl)phenyl]-1,2,4-oxadiazol-5-yl}-1H-pyrazol-5-yl)pyridine
    —— 4-ethoxy-benzenesulfonic acid-(5-<i>tert</i>-butyl-[1,3,4]thiadiazol-2-ylamide) 19923-06-9 C14H19N3O3S2
    4-ethoxy-benzenesulfonic acid-(5-<i>tert</i>-butyl-[1,3,4]thiadiazol-2-ylamide)
    —— 4,4'-dimethyl-[2,2'-bipyridine]-1,1'-diium tetrabromocuprate(II) hydrate 359857-07-1 Br4Cu*C12H14N2*H2O
    4,4'-dimethyl-[2,2'-bipyridine]-1,1'-diium tetrabromocuprate(II) hydrate
    —— 4-Indanyl-<2-methoxy-phenyl>-keton 5385-31-9 C17H16O2
    4-Indanyl-<2-methoxy-phenyl>-keton
    —— 4-Ethoxy-1,5-dimethyl-bicyclo[2.2.2]octan-2-one 25049-57-4 C12H20O2
    4-Ethoxy-1,5-dimethyl-bicyclo[2.2.2]octan-2-one
    —— 4-Methoxy-2-{[1-(4-methoxy-phenyl)-meth-(E)-ylidene]-amino}-2-methyl-butyric acid methyl ester 596806-95-0 C15H21NO4
    4-Methoxy-2-{[1-(4-methoxy-phenyl)-meth-(E)-ylidene]-amino}-2-methyl-butyric acid methyl ester
    —— 4-[4-Hydroxy-6-(2-hydroxy-ethylamino)-[1,3,5]triazin-2-yl]-4-methyl-morpholin-4-ium; chloride 54268-53-0 C10H18N5O3*Cl
    4-[4-Hydroxy-6-(2-hydroxy-ethylamino)-[1,3,5]triazin-2-yl]-4-methyl-morpholin-4-ium; chloride
    —— 4-(2-morpholin-4-yl-ethyl)-4,21-seco-ajmalan-17-ol 58893-15-5 C26H39N3O2
    4-(2-morpholin-4-yl-ethyl)-4,21-seco-ajmalan-17-ol
    —— 4-[({5-chloro-4-[2-(hydroxymethyl)phenyl]-2-thienyl}sulfonyl)amino]-2-hydroxybenzoic acid 1353433-52-9 C18H14ClNO6S2
    4-[({5-chloro-4-[2-(hydroxymethyl)phenyl]-2-thienyl}sulfonyl)amino]-2-hydroxybenzoic acid
    —— 4-N-acetylamino-2,5-dimethoxybenzenediazonium trifluoromethylsulfonate 82802-43-5 CF3O3S*C10H12N3O3
    4-N-acetylamino-2,5-dimethoxybenzenediazonium trifluoromethylsulfonate
    —— 4-{N-[8-(3-(S)-1-carbamoyl-1,1-diphenylmethylpyrrolidin-1-yl)-5-oxaoct-1-yl]-N-(2-hydroxyethyl)amino}-1-(4-methoxypyrid-3-ylmethyl)piperidine 691000-39-2 C39H55N5O4
    4-{N-[8-(3-(S)-1-carbamoyl-1,1-diphenylmethylpyrrolidin-1-yl)-5-oxaoct-1-yl]-N-(2-hydroxyethyl)amino}-1-(4-methoxypyrid-3-ylmethyl)piperidine
    —— 4-[3-phenyl-<i>N</i>-(3,4,5-trimethoxy-phenyl)-propynimidoyl]-morpholine 69535-90-6 C22H24N2O4
    4-[3-phenyl-<i>N</i>-(3,4,5-trimethoxy-phenyl)-propynimidoyl]-morpholine
    —— 4-Methyl-1,2-dicyclohexyl-thiosemicarbazid 21075-69-4 C14H27N3S
    4-Methyl-1,2-dicyclohexyl-thiosemicarbazid
    —— 4-butylamino-but-3-en-2-one 53133-42-9 C8H15NO
    4-butylamino-but-3-en-2-one
    —— 4-Phenylsulfanyl-6-trimethylsilanyl-hex-5-yn-1-ol 82707-21-9 C15H22OSSi
    4-Phenylsulfanyl-6-trimethylsilanyl-hex-5-yn-1-ol
    —— 4,8-dibromo-2,6-bis(triisopropylsilyl)benzo[1,2-b:4,5-b']difuran 1403834-46-7 C28H44Br2O2Si2
    4,8-dibromo-2,6-bis(triisopropylsilyl)benzo[1,2-b:4,5-b']difuran
    —— 4-methyl-2-pyridyl MIDA boronate 1227700-44-8 C11H13BN2O4
    4-methyl-2-pyridyl MIDA boronate
    —— 4-(2-Nitro-phenyl)-2,5-diphenyl-2H-pyrazole-3-carboxylic acid methyl ester 109334-58-9 C23H17N3O4
    4-(2-Nitro-phenyl)-2,5-diphenyl-2H-pyrazole-3-carboxylic acid methyl ester
    —— (4aR,7aR,8S,10S,11aR,11bR)-8-Hydroxy-10-methoxy-2,2,6,6-tetramethyl-octahydro-1,3,5,7,11-pentaoxa-dibenzo[a,c]cycloheptene-10-carboxylic acid methyl ester 192383-09-8 C17H28O9
    (4aR,7aR,8S,10S,11aR,11bR)-8-Hydroxy-10-methoxy-2,2,6,6-tetramethyl-octahydro-1,3,5,7,11-pentaoxa-dibenzo[a,c]cycloheptene-10-carboxylic acid methyl ester
    —— 4-cyano-1-(2-trimethylsilanyl-ethoxymethyl)-1H-imidazole-2-carboxylic acid [4-[(3-endo)-1,5-bis-methoxymethyl-8-oxa-bicyclo[3.2.1]oct-3-yl]-2-(4,4-dimethyl-cyclohex-1-enyl)-phenyl]-amide 1142362-97-7 C36H52N4O5Si
    4-cyano-1-(2-trimethylsilanyl-ethoxymethyl)-1H-imidazole-2-carboxylic acid [4-[(3-endo)-1,5-bis-methoxymethyl-8-oxa-bicyclo[3.2.1]oct-3-yl]-2-(4,4-dimethyl-cyclohex-1-enyl)-phenyl]-amide
    —— 4-(2-Fluoro-phenyl)-2-methylene-butyric acid ethyl ester 669770-21-2 C13H15FO2
    4-(2-Fluoro-phenyl)-2-methylene-butyric acid ethyl ester
    —— 4,7-bis(9,9-bis(3"-(propanoic))fluoren-2-yl)-2,1,3-benzothiadiazole 1067250-04-7 C44H36N2O8S
    4,7-bis(9,9-bis(3"-(propanoic))fluoren-2-yl)-2,1,3-benzothiadiazole