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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(2-Oxo-pyrrolidin-1-yl)-butyraldehyde 220259-70-1 C8H13NO2
    4-(2-Oxo-pyrrolidin-1-yl)-butyraldehyde
    —— (4-chlorobenzoyl)(pyridin-1-ium-1-yl)amide 36048-81-4 C12H9ClN2O
    (4-chlorobenzoyl)(pyridin-1-ium-1-yl)amide
    —— [4-Amino-3,3-difluoro-2-hydroxy-1-(4-nitro-benzyl)-butyl]-carbamic acid benzyl ester 119860-09-2 C19H21F2N3O5
    [4-Amino-3,3-difluoro-2-hydroxy-1-(4-nitro-benzyl)-butyl]-carbamic acid benzyl ester
    —— 4,5-diphenyl-3-methoxycarbonyl-6-methylthio-2-pyrone 77022-26-5 C20H16O4S
    4,5-diphenyl-3-methoxycarbonyl-6-methylthio-2-pyrone
    —— 4-(4-Chlorophenyl)-N,N-dimethyl-1-oxaspiro(4.4)nonane-3-methanamine hydrochloride 78621-06-4 C17H25Cl2NO
    4-(4-Chlorophenyl)-N,N-dimethyl-1-oxaspiro(4.4)nonane-3-methanamine hydrochloride
    —— [4-(4-Chloro-phenoxy)-but-2-ynyl]-methyl-phenyl-amine 54109-59-0 C17H16ClNO
    [4-(4-Chloro-phenoxy)-but-2-ynyl]-methyl-phenyl-amine
    —— 4-tert-Butyl-4-aza-tricyclo[5.2.1.0<sup>2,6</sup>]decane 78593-87-0 C13H23N
    4-tert-Butyl-4-aza-tricyclo[5.2.1.0<sup>2,6</sup>]decane
    —— 4-bromo-5-chloro-2-(thiophen-2-yl)pyrimidine 1266480-35-6 C8H4BrClN2S
    4-bromo-5-chloro-2-(thiophen-2-yl)pyrimidine
    —— 4-benzylamino-2,6-dichloro-8-dimethylaminopyrimido[5,4-d]pyrimidine 419575-03-4 C15H14Cl2N6
    4-benzylamino-2,6-dichloro-8-dimethylaminopyrimido[5,4-d]pyrimidine
    —— 4-Chloro-2-((2-chlorophenyl)(decylimino)methyl)phenol 80018-16-2 C23H29Cl2NO
    4-Chloro-2-((2-chlorophenyl)(decylimino)methyl)phenol
    —— 4-o-Tolyloxymethyl-2H-1,9-dithia-anthracen-10-one 141104-46-3 C20H16O2S2
    4-o-Tolyloxymethyl-2H-1,9-dithia-anthracen-10-one
    —— 4-(4'-o-methylphenoxybut-2'-ynylthio)-1-methylquinolin-2(1H)-one 505096-90-2 C21H19NO2S
    4-(4'-o-methylphenoxybut-2'-ynylthio)-1-methylquinolin-2(1H)-one
    —— 4,5-Dibrom-3,6-endoxo-hexahydrophthalsaeure-dimethylester 19686-53-4 C10H12Br2O5
    4,5-Dibrom-3,6-endoxo-hexahydrophthalsaeure-dimethylester
    —— 4-benzylamino-2,6,8-trichloropyrimido[5,4-d]pyrimidine 419574-99-5 C13H8Cl3N5
    4-benzylamino-2,6,8-trichloropyrimido[5,4-d]pyrimidine
    —— 4-benzylamino-2,6-dichloro-8-piperidinopyrimido[5,4-d]pyrimidine 419575-04-5 C18H18Cl2N6
    4-benzylamino-2,6-dichloro-8-piperidinopyrimido[5,4-d]pyrimidine
    —— 4-(4-Chloro-phenoxymethyl)-9-methyl-2H-pyrano[3,2-c]chromen-5-one 918428-49-6 C20H15ClO4
    4-(4-Chloro-phenoxymethyl)-9-methyl-2H-pyrano[3,2-c]chromen-5-one
    —— 4-benzyloxycarbonylamino-2,2-difluoro-3-hydroxy-5-(4-nitrophenyl)pentanamide 119860-39-8 C19H19F2N3O6
    4-benzyloxycarbonylamino-2,2-difluoro-3-hydroxy-5-(4-nitrophenyl)pentanamide
    —— 4-[4-(2-Methylphenoxy)but-2-ynylsulfanyl]-3-prop-2-enylchromen-2-one 923602-23-7 C23H20O3S
    4-[4-(2-Methylphenoxy)but-2-ynylsulfanyl]-3-prop-2-enylchromen-2-one
    —— 4-(6,7-Dimethoxy-3,4-dihydro-2H-benzo[e][1,3]thiazin-2-yl)-2-methoxy-phenol 124281-94-3 C17H19NO4S
    4-(6,7-Dimethoxy-3,4-dihydro-2H-benzo[e][1,3]thiazin-2-yl)-2-methoxy-phenol
    —— 4-Benzamino-3-oxo-thiophan-carbonsaeure-(2)-methylester 17773-23-8 C13H13NO4S
    4-Benzamino-3-oxo-thiophan-carbonsaeure-(2)-methylester
    —— [(4S)-3-methylidene-4-phenylpent-1-ynyl]-tri(propan-2-yl)silane 1453803-53-6 C21H32Si
    [(4S)-3-methylidene-4-phenylpent-1-ynyl]-tri(propan-2-yl)silane
    —— 4-phenyl-1-[2-hydroxy-3-(2-oxo-1,2,3,4-tetrahydroquinolin-5-yloxy)propyl]-1-methylpiperidiniumiodide 78484-03-4 C24H31N2O3*I
    4-phenyl-1-[2-hydroxy-3-(2-oxo-1,2,3,4-tetrahydroquinolin-5-yloxy)propyl]-1-methylpiperidiniumiodide
    —— 4-(3-oxo-3-phenylpropyl)-2H-chromen-2-one 1374425-18-9 C18H14O3
    4-(3-oxo-3-phenylpropyl)-2H-chromen-2-one
    —— 4-(4-Chlorophenyl)-3-((dimethylamino)methyl)-1-oxaspiro(4.4)nonan-2-one 78621-05-3 C17H22ClNO2
    4-(4-Chlorophenyl)-3-((dimethylamino)methyl)-1-oxaspiro(4.4)nonan-2-one
    —— 4-[(3-ethyl-1H-pyrrolo[2,3-b]pyridin-4-yl)oxy]-3-fluoroaniline 867018-10-8 C15H14FN3O
    4-[(3-ethyl-1H-pyrrolo[2,3-b]pyridin-4-yl)oxy]-3-fluoroaniline
    —— 4,5-Dihydro-7,8-dimethoxy-1,4-benzothiazepin-3(2H)-one 103693-30-7 C11H13NO3S
    4,5-Dihydro-7,8-dimethoxy-1,4-benzothiazepin-3(2H)-one
    —— 4-Methyloctahydrocoumarin 86994-40-3 C10H16O2
    4-Methyloctahydrocoumarin
    —— 4-diazomethylcoumarin 88861-41-0 C10H6N2O2
    4-diazomethylcoumarin
    —— 4-(4,4-dimethyl-3-oxopentyl)-2H-chromen-2-one 1374425-22-5 C16H18O3
    4-(4,4-dimethyl-3-oxopentyl)-2H-chromen-2-one
    —— 4-(4-Chloro-phenoxymethyl)-2H-1,9-dithia-anthracen-10-one 141104-47-4 C19H13ClO2S2
    4-(4-Chloro-phenoxymethyl)-2H-1,9-dithia-anthracen-10-one
    —— 4-[4-(4'-chlorophenoxy)-but-2-ynyloxy]-6-methyl-2-pyrone 434942-25-3 C16H13ClO4
    4-[4-(4'-chlorophenoxy)-but-2-ynyloxy]-6-methyl-2-pyrone
    —— 4,4'-dibromo-3,3'-dimethoxy-2,2'-bithiophene 1286239-48-2 C10H8Br2O2S2
    4,4'-dibromo-3,3'-dimethoxy-2,2'-bithiophene
    —— 4-(4'-p-chlorophenoxybut-2'-ynylthio)-1-methylquinolin-2(1H)-one 505096-87-7 C20H16ClNO2S
    4-(4'-p-chlorophenoxybut-2'-ynylthio)-1-methylquinolin-2(1H)-one
    —— [4-(4-Chloro-phenoxy)-but-2-ynyl]-ethyl-phenyl-amine 54185-98-7 C18H18ClNO
    [4-(4-Chloro-phenoxy)-but-2-ynyl]-ethyl-phenyl-amine
    —— 4-[4-(4-Chlorophenoxy)but-2-ynylsulfanyl]-3-prop-2-enylchromen-2-one 923602-24-8 C22H17ClO3S
    4-[4-(4-Chlorophenoxy)but-2-ynylsulfanyl]-3-prop-2-enylchromen-2-one
    —— 4-(2-Chloro-phenoxymethyl)-2H-1,9-dithia-anthracen-10-one 141104-49-6 C19H13ClO2S2
    4-(2-Chloro-phenoxymethyl)-2H-1,9-dithia-anthracen-10-one
    —— 4-N-(5-cyclopropyl-1H-pyrazol-3-yl)-6-N-[(1-methylpiperidin-4-yl)methyl]-2-(3-methylsulfonylphenyl)pyrimidine-4,6-diamine 1375082-37-3 C24H31N7O2S
    4-N-(5-cyclopropyl-1H-pyrazol-3-yl)-6-N-[(1-methylpiperidin-4-yl)methyl]-2-(3-methylsulfonylphenyl)pyrimidine-4,6-diamine
    —— 4-bromo-2-[(6-methylpyridin-2-yl)carbamoyl]benzoic acid 1529805-40-0 C14H11BrN2O3
    4-bromo-2-[(6-methylpyridin-2-yl)carbamoyl]benzoic acid
    —— 4,5-Dibrom-3,6-endoxo-hexahydrophthalsaeure 6280-79-1 C8H8Br2O5
    4,5-Dibrom-3,6-endoxo-hexahydrophthalsaeure
    —— (4-chlorophenyl)(2-methoxyphenyl)(4-methylphenyl)bismuth difluoride 255727-78-7 C20H18BiClF2O
    (4-chlorophenyl)(2-methoxyphenyl)(4-methylphenyl)bismuth difluoride
    —— 4-(4'-o-chlorophenoxybut-2'-ynylthio)-1-methylquinolin-2(1H)-one 505096-88-8 C20H16ClNO2S
    4-(4'-o-chlorophenoxybut-2'-ynylthio)-1-methylquinolin-2(1H)-one
    —— 4-Carbamoyloxy-1-(3-(4-fluorophenoxy)propyl)-trans-decahydroquinoline (axial form) 78778-28-6 C19H27FN2O4
    4-Carbamoyloxy-1-(3-(4-fluorophenoxy)propyl)-trans-decahydroquinoline (axial form)
    —— 4-(m-Chlorphenyl)-5-<p-(dimethylamino)phenyl>2,2-dimethyl-Δ<sup>3</sup>-1,3-oxazolin 79213-89-1 C19H21ClN2O
    4-(m-Chlorphenyl)-5-<p-(dimethylamino)phenyl>2,2-dimethyl-Δ<sup>3</sup>-1,3-oxazolin
    —— 4,8-Dimethyl-6-(p-chlorophenyl)-5,6,7,8-tetrahydro-4H-1,3,6-dioxazocin-2-one 93371-21-2 C13H16ClNO3
    4,8-Dimethyl-6-(p-chlorophenyl)-5,6,7,8-tetrahydro-4H-1,3,6-dioxazocin-2-one
    —— 4,5-Dimethoxy-2-carboxamido-bis(2-chloroethyl)methylbenzenepiperidinosulfonamide 76439-64-0 C19H28Cl2N2O5S
    4,5-Dimethoxy-2-carboxamido-bis(2-chloroethyl)methylbenzenepiperidinosulfonamide
    —— [4,5-dimethoxy-2-(piperidine-1-sulfonyl)-phenyl]-acetic acid 2-morpholin-4-yl-ethyl ester 66079-48-9 C21H32N2O7S
    [4,5-dimethoxy-2-(piperidine-1-sulfonyl)-phenyl]-acetic acid 2-morpholin-4-yl-ethyl ester
    —— 4-mercapto-1-phenyl-1,8-naphthyridin-2(1H)-one 932749-27-4 C14H10N2OS
    4-mercapto-1-phenyl-1,8-naphthyridin-2(1H)-one
    —— 4-Phenoxymethyl-2H-1,9-dithia-anthracen-10-one 141104-52-1 C19H14O2S2
    4-Phenoxymethyl-2H-1,9-dithia-anthracen-10-one
    —— 4-(2-chloro-5-methoxyanilino)-5,7-dimethoxyquinazoline hydrochloride 536740-36-0 C17H16ClN3O3*ClH
    4-(2-chloro-5-methoxyanilino)-5,7-dimethoxyquinazoline hydrochloride
    —— 4-(4-nitrophenoxy)-2-keto-1-butanol 74438-95-2 C10H11NO5
    4-(4-nitrophenoxy)-2-keto-1-butanol