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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-anilino-5-phenacylmercapto-3-thiophenoxymethyl-1,2,4-triazole 161295-59-6 C23H20N4OS2
    4-anilino-5-phenacylmercapto-3-thiophenoxymethyl-1,2,4-triazole
    —— 4,4-dimethyl-6-nitro-1,4-dihydro-2H-pyrido[2,3-d][1,3]oxazine-2-one 899438-66-5 C9H9N3O4
    4,4-dimethyl-6-nitro-1,4-dihydro-2H-pyrido[2,3-d][1,3]oxazine-2-one
    —— 4-<Bis(trimethylsilyl)amino>-4,5-dihydro-1,5-bis(trimethylsilyl)-1H-1,2,4-diazaphosphol-4-sulfid 98965-35-6 C14H38N3PSSi4
    4-<Bis(trimethylsilyl)amino>-4,5-dihydro-1,5-bis(trimethylsilyl)-1H-1,2,4-diazaphosphol-4-sulfid
    —— 4-[4-benzyloxyphenylamino]-6-methylsulphonylpyrimido[5,4-d]pyrimidine 196614-09-2 C20H17N5O3S
    4-[4-benzyloxyphenylamino]-6-methylsulphonylpyrimido[5,4-d]pyrimidine
    —— 4-{[4-(Diethylamino)phenyl](5-hydroxy-2,4-disulfophenyl)methylidene}-N,N-diethylcyclohexa-2,5-dien-1-iminium potassium 2227142-00-7 C27H33KN2O7S2
    4-{[4-(Diethylamino)phenyl](5-hydroxy-2,4-disulfophenyl)methylidene}-N,N-diethylcyclohexa-2,5-dien-1-iminium potassium
    —— 4-Amino-6-chloro-2-(1-(3-((1-trifluoromethyl-2,2,2-trifluoro)ethyl)furo[2,3-c]pyridin-5-yl)ethyl)thio-pyrimidine 1102064-15-2 C16H11ClF6N4OS
    4-Amino-6-chloro-2-(1-(3-((1-trifluoromethyl-2,2,2-trifluoro)ethyl)furo[2,3-c]pyridin-5-yl)ethyl)thio-pyrimidine
    —— 4-[4-(4-chloro-2-methyl-phenyl)-5-(5-chloro-2-methyl-phenyl)-3-isopropyl-6-oxo-5,6-dihydro-4H-pyrrolo[3,4-c]pyrazol-2-ylmethyl]-piperidine-1-carboxylic acid tert-butyl ester 1441744-68-8 C33H40Cl2N4O3
    4-[4-(4-chloro-2-methyl-phenyl)-5-(5-chloro-2-methyl-phenyl)-3-isopropyl-6-oxo-5,6-dihydro-4H-pyrrolo[3,4-c]pyrazol-2-ylmethyl]-piperidine-1-carboxylic acid tert-butyl ester
    —— 4-amino-3-(6-biphenyl-3-ylpyridin-3-ylazo)naphthalene-1-sulfonic acid sodium salt 1357164-45-4 C27H19N4O3S*Na
    4-amino-3-(6-biphenyl-3-ylpyridin-3-ylazo)naphthalene-1-sulfonic acid sodium salt
    —— 4-(3-nitrophenyl)-n-(1-oxopropan-2-yl)-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidine-5-carboxamide 1443237-99-7 C22H27N5O5Si
    4-(3-nitrophenyl)-n-(1-oxopropan-2-yl)-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidine-5-carboxamide
    —— 4-[(3R,4S)-3-Amino-4-methoxypyrrolidin-1-yl]-N-methylpyrimidin-2-amine 2741284-72-8 C10H17N5O
    4-[(3R,4S)-3-Amino-4-methoxypyrrolidin-1-yl]-N-methylpyrimidin-2-amine
    —— 4-(nitrooxy)-butanal 74764-82-2 C4H7NO4
    4-(nitrooxy)-butanal
    —— 4-Allyloxymethyl-4-benzyl-2-methyl-3-methylene-tetrahydro-furan 891766-58-8 C17H22O2
    4-Allyloxymethyl-4-benzyl-2-methyl-3-methylene-tetrahydro-furan
    —— (±)-{4-ethoxy-3-[5-fluoro-2-(2-5,6,7,8-tetrahydroquinolin-8-yl-acetyl)-1,2,3,4-tetrahydroisoquinolin-8-yl]phenyl}acetic acid 1445888-84-5 C30H31FN2O4
    (±)-{4-ethoxy-3-[5-fluoro-2-(2-5,6,7,8-tetrahydroquinolin-8-yl-acetyl)-1,2,3,4-tetrahydroisoquinolin-8-yl]phenyl}acetic acid
    —— 4-chloro-17-hydroxy-17β<i>H</i>-pregn-4-en-20-yn-3-one 94969-06-9 C21H27ClO2
    4-chloro-17-hydroxy-17β<i>H</i>-pregn-4-en-20-yn-3-one
    —— 4-aza-17β-hydroxy-A-homo-5α-androstan-3-one 21547-46-6 C19H31NO2
    4-aza-17β-hydroxy-A-homo-5α-androstan-3-one
    —— 4-((4-(dimethylamino)phenyl)(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)methyl)-3-methyl-1-phenyl-1H-pyrazol-5-ol 96372-25-7 C29H29N5O2
    4-((4-(dimethylamino)phenyl)(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)methyl)-3-methyl-1-phenyl-1H-pyrazol-5-ol
    —— 4-azido-2,5,6-trifluoro-3-chloropyridine 39066-43-8 C5ClF3N4
    4-azido-2,5,6-trifluoro-3-chloropyridine
    —— (4α,8β,13β,16α)-13-methyl-16-nicotinoyl-17-norkauran-18-oic acid isopropyl ester 1163711-78-1 C29H41NO4
    (4α,8β,13β,16α)-13-methyl-16-nicotinoyl-17-norkauran-18-oic acid isopropyl ester
    —— 4-nitro-10-phenyl-5,10-dihydro-pyrido[3,4-b]quinoxaline 852058-45-8 C17H12N4O2
    4-nitro-10-phenyl-5,10-dihydro-pyrido[3,4-b]quinoxaline
    —— 4-(5-(4-bromophenyl)pyrazin-2-yl)phenol 1448530-05-9 C16H11BrN2O
    4-(5-(4-bromophenyl)pyrazin-2-yl)phenol
    —— [4-(3-morpholin-4-ylpropyl)piperazin-1-yl]-[5-[(4-pyridin-2-ylpyrimidin-2-yl)amino]-1H-indol-2-yl]methanone 1391600-47-7 C29H34N8O2
    [4-(3-morpholin-4-ylpropyl)piperazin-1-yl]-[5-[(4-pyridin-2-ylpyrimidin-2-yl)amino]-1H-indol-2-yl]methanone
    —— 4-benzylamino-1,1,1-trifluoro-4-morpholin-4-yl-3-(2,2,2-trifluoro-acetylamino)-but-3-en-2-one 63066-20-6 C17H17F6N3O3
    4-benzylamino-1,1,1-trifluoro-4-morpholin-4-yl-3-(2,2,2-trifluoro-acetylamino)-but-3-en-2-one
    —— (4S,14S)-4,14-dimethyl-3,6,9,12,15-pentaoxaheptadecane-1,17-diyl bis(4-methylbenzenesulfonate) 1192006-84-0 C28H42O11S2
    (4S,14S)-4,14-dimethyl-3,6,9,12,15-pentaoxaheptadecane-1,17-diyl bis(4-methylbenzenesulfonate)
    —— 4-(4-thiazol-2-yl-pyrimidin-2-ylamino)benzoic acid ethyl ester 926038-02-0 C16H14N4O2S
    4-(4-thiazol-2-yl-pyrimidin-2-ylamino)benzoic acid ethyl ester
    —— 4,6-diisopentyl-4,6-dimethyl-5-oxa-4,6-disila-nonanedioic acid 18505-41-4 C18H38O5Si2
    4,6-diisopentyl-4,6-dimethyl-5-oxa-4,6-disila-nonanedioic acid
    —— 4-iodo-benzoic acid isopropylidenehydrazide 99059-60-6 C10H11IN2O
    4-iodo-benzoic acid isopropylidenehydrazide
    —— 4-[[1-[5-(2,3-dihydro-1-benzofuran-5-yl)-4-hydroxythiophen-3-yl]ethylideneamino]carbamothioylamino]benzoic acid 1294518-81-2 C22H19N3O4S2
    4-[[1-[5-(2,3-dihydro-1-benzofuran-5-yl)-4-hydroxythiophen-3-yl]ethylideneamino]carbamothioylamino]benzoic acid
    —— 4-Butyl-4-(4-hydroxy-butyl)-cyclohexa-2,5-dienone 871468-71-2 C14H22O2
    4-Butyl-4-(4-hydroxy-butyl)-cyclohexa-2,5-dienone
    —— 4-{4-[3-(dimethylamino)-5-hydroxyphenoxy]butoxy}-2H-chromen-2-one 1253783-52-6 C21H23NO5
    4-{4-[3-(dimethylamino)-5-hydroxyphenoxy]butoxy}-2H-chromen-2-one
    —— (4-Iodo-benzenesulfonyl)-[4-oxo-3-phenyl-thiazolidin-(2Z)-ylidene]-acetonitrile 132276-52-9 C17H11IN2O3S2
    (4-Iodo-benzenesulfonyl)-[4-oxo-3-phenyl-thiazolidin-(2Z)-ylidene]-acetonitrile
    —— 4-(5-iodo-1-naphthyl)-2-methyl-3-butyn-2-ol 476181-81-4 C15H13IO
    4-(5-iodo-1-naphthyl)-2-methyl-3-butyn-2-ol
    —— (4aR,6aS,6bS,9aR)-6b-(2-Hydroxy-acetyl)-4a,6a-dimethyl-7-phenyl-3,4,4b,6,6a,6b,9a,10,10a,10b,11,12-dodecahydro-4aH-9-oxa-8-aza-pentaleno[2,1-a]phenanthrene-2,5-dione 1258-81-7 C28H31NO5
    (4aR,6aS,6bS,9aR)-6b-(2-Hydroxy-acetyl)-4a,6a-dimethyl-7-phenyl-3,4,4b,6,6a,6b,9a,10,10a,10b,11,12-dodecahydro-4aH-9-oxa-8-aza-pentaleno[2,1-a]phenanthrene-2,5-dione
    —— 4-(1-Triisopropylsilanyl-1H-pyrrol-3-yl)-pyridine 773851-27-7 C18H28N2Si
    4-(1-Triisopropylsilanyl-1H-pyrrol-3-yl)-pyridine
    —— 4-[(4aR,10bR)-9-ethoxy-8-methoxy-2,2-dioxido-3,4,4a,10b-tetrahydro-1H-thiopyrano[4,3-c]isoquinolin-6-yl]benzoic acid 1312600-92-2 C22H23NO6S
    4-[(4aR,10bR)-9-ethoxy-8-methoxy-2,2-dioxido-3,4,4a,10b-tetrahydro-1H-thiopyrano[4,3-c]isoquinolin-6-yl]benzoic acid
    —— 4-{2-[2-Nitro-4-(trifluoromethyl)phenoxy]benzoyl}morpholine 405277-63-6 C18H15F3N2O5
    4-{2-[2-Nitro-4-(trifluoromethyl)phenoxy]benzoyl}morpholine
    —— 4-Dibutylarsanyl-but-3-yn-2-ol 23225-75-4 C12H23AsO
    4-Dibutylarsanyl-but-3-yn-2-ol
    —— 4-(N-benzyl-N-propylamino)-N-[4-(N,N-diethylamino)-6-mercapto-2-methylpyrimidin-5-yl]butanamide 155083-06-0 C23H35N5OS
    4-(N-benzyl-N-propylamino)-N-[4-(N,N-diethylamino)-6-mercapto-2-methylpyrimidin-5-yl]butanamide
    —— 4,4,5,5-tetramethyl-2-(2-methylenecyclopentyl)-1,3,2-dioxaborolane 1607854-55-6 C12H21BO2
    4,4,5,5-tetramethyl-2-(2-methylenecyclopentyl)-1,3,2-dioxaborolane
    —— 4-Brom-N,N,N-trimethylanilinium-bromid 20442-80-2 Br*C9H13BrN
    4-Brom-N,N,N-trimethylanilinium-bromid
    —— 4-[(3-chloro-4-fluorophenyl)amino]-6-hydroxy-7-cyclopentylmethoxyquinazoline 295330-73-3 C20H19ClFN3O2
    4-[(3-chloro-4-fluorophenyl)amino]-6-hydroxy-7-cyclopentylmethoxyquinazoline
    —— 4-BroMo-5,6-diMethoxy-1H-indole-2-carboxylic acid 1061215-17-5 C11H10BrNO4
    4-BroMo-5,6-diMethoxy-1H-indole-2-carboxylic acid
    —— (+/-)-4-<i>tert</i>-butyl-cyclohex-4-ene-1<i>r</i>,2<i>c</i>-dicarboxylic acid-anhydride 3732-63-6 C12H16O3
    (+/-)-4-<i>tert</i>-butyl-cyclohex-4-ene-1<i>r</i>,2<i>c</i>-dicarboxylic acid-anhydride
    —— 4-methoxy-2-(4-methyl-thiazol-2-yl)-6-(4-trifluoromethyl-thiazol-2-yl)pyridine 1393486-32-2 C14H10F3N3OS2
    4-methoxy-2-(4-methyl-thiazol-2-yl)-6-(4-trifluoromethyl-thiazol-2-yl)pyridine
    —— 4,4'-Bis(4-chlorphenylazo)triphenylmethanol 128527-04-8 C31H22Cl2N4O
    4,4'-Bis(4-chlorphenylazo)triphenylmethanol
    —— 4,4-dimethyl-1-trimethylsilanyl-hepta-1,6-diyn-3-ol 153874-49-8 C12H20OSi
    4,4-dimethyl-1-trimethylsilanyl-hepta-1,6-diyn-3-ol
    —— 4-[2-(4-Chloro-phenoxy)-2-methyl-propionylamino]-benzoyl chloride 70853-31-5 C17H15Cl2NO3
    4-[2-(4-Chloro-phenoxy)-2-methyl-propionylamino]-benzoyl chloride
    —— 4-(3-propyl-5-(trifluoromethyl)pyridin-2-yl)butanoic acid 1100766-75-3 C13H16F3NO2
    4-(3-propyl-5-(trifluoromethyl)pyridin-2-yl)butanoic acid
    —— 4-acetoxy-6,7-diisopropoxy-quinoline-3-carboxylic acid methyl ester 7280-44-6 C19H23NO6
    4-acetoxy-6,7-diisopropoxy-quinoline-3-carboxylic acid methyl ester
    —— 4-(2-Dimethylaminoethoxy)-benzoesaeure-14C 27237-43-0 C11H15NO3
    4-(2-Dimethylaminoethoxy)-benzoesaeure-14C
    —— 4-ethyl-5-(5-formyl-3-methoxycarbonyl-4-methyl-pyrrol-2-ylmethyl)-3-methyl-pyrrole-2-carboxylic acid <i>tert</i>-butyl ester 31837-53-3 C21H28N2O5
    4-ethyl-5-(5-formyl-3-methoxycarbonyl-4-methyl-pyrrol-2-ylmethyl)-3-methyl-pyrrole-2-carboxylic acid <i>tert</i>-butyl ester