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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,4'-(1,3,4-thiadiazole-2,5-diyl)bis(1-methylpyridinium) diiodide 23622-28-8 C14H14N4S*2I
    4,4'-(1,3,4-thiadiazole-2,5-diyl)bis(1-methylpyridinium) diiodide
    —— 4,6-diacetoxy-1-bromo-3-methoxy-phenanthrene 856341-85-0 C19H15BrO5
    4,6-diacetoxy-1-bromo-3-methoxy-phenanthrene
    —— 4-(4-(l-(5-((5-tert-butyloxazol-2-yl)methylthio)-thiazol-2-ylamino)-1-oxopropan-2-yl)phenoxy)-N-hydroxybutanamide 1133001-36-1 C24H30N4O5S2
    4-(4-(l-(5-((5-tert-butyloxazol-2-yl)methylthio)-thiazol-2-ylamino)-1-oxopropan-2-yl)phenoxy)-N-hydroxybutanamide
    —— 4,4-Diethyl-1,4-azasilinanehydrochloride 2378507-16-3 C8H20ClNSi
    4,4-Diethyl-1,4-azasilinanehydrochloride
    —— 4-(dimethylamino)-6-methyl-2-(pyren-1-yloxy)tetrahydro-2H-pyran-3-ol 1207068-46-9 C24H25NO3
    4-(dimethylamino)-6-methyl-2-(pyren-1-yloxy)tetrahydro-2H-pyran-3-ol
    —— (4aR,8S,8aR)-N-(2,4-dichlorophenyl)-1-oxo-2-phenyl-1,2,3,4,4a,7,8,8a-octahydroisoquinoline-8-carboxamide 1228928-27-5 C22H20Cl2N2O2
    (4aR,8S,8aR)-N-(2,4-dichlorophenyl)-1-oxo-2-phenyl-1,2,3,4,4a,7,8,8a-octahydroisoquinoline-8-carboxamide
    —— 4-[4-(1-Benzyl-4-methyl-3-pentylpyrrol-2-yl)phenyl]chromen-2-one 1092835-52-3 C32H31NO2
    4-[4-(1-Benzyl-4-methyl-3-pentylpyrrol-2-yl)phenyl]chromen-2-one
    —— 4-hydroxy-1-methyl-2-oxo-N'-tetradecanoyl-1,2-dihydroquinoline-3-carbohydrazide 331963-30-5 C25H37N3O4
    4-hydroxy-1-methyl-2-oxo-N'-tetradecanoyl-1,2-dihydroquinoline-3-carbohydrazide
    —— 4-(4-phenoxyphenyl)-6-(3-pyridinyl)-1H-pyrazolo[4,3-c]pyridin-3-amine 1266159-17-4 C23H17N5O
    4-(4-phenoxyphenyl)-6-(3-pyridinyl)-1H-pyrazolo[4,3-c]pyridin-3-amine
    —— 4-bromo-1-(2,2-dimethylpropyl)-5-[(6-methylpyridazin-3-yl)oxy]-1H-benzotriazole 1268311-77-8 C16H18BrN5O
    4-bromo-1-(2,2-dimethylpropyl)-5-[(6-methylpyridazin-3-yl)oxy]-1H-benzotriazole
    —— 4-[[1-[[3-(1,1-dimethylethyl)phenyl]sulfonyl]-3-methyl-5-(trifluoromethyl)-1H-indol-2-yl]methyl]-benzoic acid 1274942-14-1 C28H26F3NO4S
    4-[[1-[[3-(1,1-dimethylethyl)phenyl]sulfonyl]-3-methyl-5-(trifluoromethyl)-1H-indol-2-yl]methyl]-benzoic acid
    —— (4bS,7R,8aR)-methyl 4b-benzyl-7-ethyl-7-hydroxy-4b,5,6,7,8,8a-hexahydrophenanthrene-2-carboxylate 1400927-02-7 C25H28O3
    (4bS,7R,8aR)-methyl 4b-benzyl-7-ethyl-7-hydroxy-4b,5,6,7,8,8a-hexahydrophenanthrene-2-carboxylate
    —— 4-Benzyloxy-6-methyl-1H-indole-2-carboxylic acid amide 65752-20-7 C17H16N2O2
    4-Benzyloxy-6-methyl-1H-indole-2-carboxylic acid amide
    —— 4-{4-[4-(3-carboxybenzamido)-1-methyl-1H-pyrrole-2-carboxamido]-1-methyl-1H-pyrrole-2-carboxamido}-1-methyl-1H-pyrrole-2-carboxylic acid N,N'-bis[25,26,27,28-tetrabutoxy-11,17,23-tris[(tert-butoxycarbonyl)amino]calix[4]aren-5-yl] diamide 1312790-34-3 C144H188N14O25
    4-{4-[4-(3-carboxybenzamido)-1-methyl-1H-pyrrole-2-carboxamido]-1-methyl-1H-pyrrole-2-carboxamido}-1-methyl-1H-pyrrole-2-carboxylic acid N,N'-bis[25,26,27,28-tetrabutoxy-11,17,23-tris[(tert-butoxycarbonyl)amino]calix[4]aren-5-yl] diamide
    —— 4-N-(4-fluorophenyl)amino-5-phenyl-7-(4-C-azidomethyl-5-O-[(4-methylphenyl)sulfonyl]-2,3-di-O-(phenylmethyl)-β-D-ribofuranosyl)pyrrolo[2,3-d]pyrimidine 186457-50-1 C45H40FN7O6S
    4-N-(4-fluorophenyl)amino-5-phenyl-7-(4-C-azidomethyl-5-O-[(4-methylphenyl)sulfonyl]-2,3-di-O-(phenylmethyl)-β-D-ribofuranosyl)pyrrolo[2,3-d]pyrimidine
    —— 4-chloro-2-(pyridin-3-yl)pyrido[2,3-d]pyrimidine 41803-66-1 C12H7ClN4
    4-chloro-2-(pyridin-3-yl)pyrido[2,3-d]pyrimidine
    —— 4-(3-bromo-5-chlorophenoxy)-6-(bromomethyl)-3-chloro-2-methoxypyridine 1155847-22-5 C13H9Br2Cl2NO2
    4-(3-bromo-5-chlorophenoxy)-6-(bromomethyl)-3-chloro-2-methoxypyridine
    —— 4-allyl-5-(((4-phenyl-5-methyl-4H-1,2,4-triazol-3-yl)sulfanyl)methyl)-4H-1,2,4-triazole-3(2H)-thione 1428354-52-2 C15H16N6S2
    4-allyl-5-(((4-phenyl-5-methyl-4H-1,2,4-triazol-3-yl)sulfanyl)methyl)-4H-1,2,4-triazole-3(2H)-thione
    —— [4-n-hexyl-5-(4-n-hexyl-thiophen-2-ylethynyl)-thiophen-2-ylethynyl]-trimethylsilane 877047-59-1 C27H38S2Si
    [4-n-hexyl-5-(4-n-hexyl-thiophen-2-ylethynyl)-thiophen-2-ylethynyl]-trimethylsilane
    —— [(4-(diphenylphosphino)-1,5-diphenyl-1H-1,2,3-triazole)2Cu4I4] 1309467-32-0 C52H40Cu4I4N6P2
    [(4-(diphenylphosphino)-1,5-diphenyl-1H-1,2,3-triazole)2Cu4I4]
    —— 4-Methyl-6-nitromethyl-2,3,4,4a,5,6-hexahydro-benzo[f]quinoline-2-carboxylic acid methylamide 122628-24-4 C17H21N3O3
    4-Methyl-6-nitromethyl-2,3,4,4a,5,6-hexahydro-benzo[f]quinoline-2-carboxylic acid methylamide
    —— 4-(4-(4-isopropylpiperazin-1-yl)phenylamino)-N-(3-methyl-1-((6-methylpyridin-2-yl)methyl)-1H-indazol-4-yl)thieno[3,2-d]pyrimidine-7-carboxamide 1527518-05-3 C35H37N9OS
    4-(4-(4-isopropylpiperazin-1-yl)phenylamino)-N-(3-methyl-1-((6-methylpyridin-2-yl)methyl)-1H-indazol-4-yl)thieno[3,2-d]pyrimidine-7-carboxamide
    —— (4S)-4-mesityl-3,4a,6,8-tetramethyl-3a,4-dihydro-3H-4l4,4al5,8al5-benzo[e]benzo[2,3]borireno[1,2-c]imidazo[1,2-a][1,3]azaborinine 1383804-64-5 C28H31BN2
    (4S)-4-mesityl-3,4a,6,8-tetramethyl-3a,4-dihydro-3H-4l4,4al5,8al5-benzo[e]benzo[2,3]borireno[1,2-c]imidazo[1,2-a][1,3]azaborinine
    —— 4-(Hydroxy-piperidin-2-yl-methyl)-3-methyl-benzene-1,2-diol 108930-04-7 C13H19NO3
    4-(Hydroxy-piperidin-2-yl-methyl)-3-methyl-benzene-1,2-diol
    —— 4-chloro-N-(4'-cyano-4-methylbiphenyl-3-yl)benzenesulfonamide 1233948-88-3 C20H15ClN2O2S
    4-chloro-N-(4'-cyano-4-methylbiphenyl-3-yl)benzenesulfonamide
    —— 4-chloro-1-(cyclopropylmethyl)-5-(pyridazin-4-ylethynyl)-1H-benzotriazole 1408299-48-8 C16H12ClN5
    4-chloro-1-(cyclopropylmethyl)-5-(pyridazin-4-ylethynyl)-1H-benzotriazole
    —— 4-(4-Brom-phenacylmercapto)-7-mercapto-1H-imidazo<4,5-d>pyridazin 4855-40-7 C13H9BrN4OS2
    4-(4-Brom-phenacylmercapto)-7-mercapto-1H-imidazo<4,5-d>pyridazin
    —— 4-<2-Oxo-1,2-dihydro-chinoxalyl-(3)>-2-methyl-buttersaeure-methylester 21580-69-8 C14H16N2O3
    4-<2-Oxo-1,2-dihydro-chinoxalyl-(3)>-2-methyl-buttersaeure-methylester
    —— [4-(3-dimethylamino-propoxycarbonyl)-phenyl]-acetic acid-(3-dimethylamino-propyl ester) 108623-67-2 C19H30N2O4
    [4-(3-dimethylamino-propoxycarbonyl)-phenyl]-acetic acid-(3-dimethylamino-propyl ester)
    —— 4-(6,7-dimethoxy-quinazolin-4-yl)-piperidine-1-carboxylic acid (4-iodo-phenyl)-amide 916730-91-1 C22H23IN4O3
    4-(6,7-dimethoxy-quinazolin-4-yl)-piperidine-1-carboxylic acid (4-iodo-phenyl)-amide
    —— 4-hydroxy-3-(3-phenyl-1-p-tolylprop-2-ynyl)-2H-chromen-2-one 1313403-54-1 C25H18O3
    4-hydroxy-3-(3-phenyl-1-p-tolylprop-2-ynyl)-2H-chromen-2-one
    —— 4-bromomethylbenzoyl-Leu-Leu(CN) 225122-45-2 C20H28BrN3O2
    4-bromomethylbenzoyl-Leu-Leu(CN)
    —— (4R,5S)-5-(Hydroxymethyl)-4-methyl-5-<<(3,5-dinitrobenzoyl)oxy>methyl>-5-pentanolide 139608-76-7 C15H16N2O9
    (4R,5S)-5-(Hydroxymethyl)-4-methyl-5-<<(3,5-dinitrobenzoyl)oxy>methyl>-5-pentanolide
    —— 4,5,6,6a,10',11'-Hexahydrospiro<5'H-dibenzo<a,d>cyclohepten-5',3(3aH)-<4,5,6>methenocyclopentapyrazol> 118042-71-0 C21H18N2
    4,5,6,6a,10',11'-Hexahydrospiro<5'H-dibenzo<a,d>cyclohepten-5',3(3aH)-<4,5,6>methenocyclopentapyrazol>
    —— 4-Hydroxy-1-(3,5-di-O-p-toluyl-2-deoxy-β-D-erythro-pentofuranosyl)-2-pyridon 29910-54-1 C26H25NO7
    4-Hydroxy-1-(3,5-di-O-p-toluyl-2-deoxy-β-D-erythro-pentofuranosyl)-2-pyridon
    —— 4-Nitro-benzoic acid (S)-1-((2R,3S)-3-allyl-oxiranyl)-pent-4-enyl ester 155128-47-5 C17H19NO5
    4-Nitro-benzoic acid (S)-1-((2R,3S)-3-allyl-oxiranyl)-pent-4-enyl ester
    —— 4β-thiocyanato-(5α)-cholestan-3α-ol 1177-94-2 C28H47NOS
    4β-thiocyanato-(5α)-cholestan-3α-ol
    —— 4-(2-(((4-Ethoxybenzoyl)amino)acetyl)carbohydrazonoyl)phenyl 4-butoxybenzoate 765298-55-3 C29H31N3O6
    4-(2-(((4-Ethoxybenzoyl)amino)acetyl)carbohydrazonoyl)phenyl 4-butoxybenzoate
    —— 4-Amino-1-(2-benzylthio-2-deoxy-β-D-ribofuranosyl)pyridazin-6(1H)-one 86456-96-4 C16H19N3O4S
    4-Amino-1-(2-benzylthio-2-deoxy-β-D-ribofuranosyl)pyridazin-6(1H)-one
    —— 4',6'-O-3,5-dichlorobenzylideneparomomycin 1043874-18-5 C30H47Cl2N5O14
    4',6'-O-3,5-dichlorobenzylideneparomomycin
    —— 4-[1-(tert-Butyl-dimethyl-silanyloxy)-pentyl]-phenol 96013-82-0 C17H30O2Si
    4-[1-(tert-Butyl-dimethyl-silanyloxy)-pentyl]-phenol
    —— 4-N-phenylamino-5-phenyl-7-(2-O-acetoxy-3β-bromo-3,5-dideoxy-β-D-ribofuranosyl)pyrrolo[2,3-d]pyrimidine 291759-47-2 C25H23BrN4O3
    4-N-phenylamino-5-phenyl-7-(2-O-acetoxy-3β-bromo-3,5-dideoxy-β-D-ribofuranosyl)pyrrolo[2,3-d]pyrimidine
    —— 4-iodo-4'-ferrocenylethynyl-biphenyl 950193-43-8 C24H17FeI
    4-iodo-4'-ferrocenylethynyl-biphenyl
    —— 4-Benzyl-7-(benzylamino)-6,8b-dimethyl-3a-hydroxy-1-oxo-1,2,3,3a,4,8b-hexahydrocyclopent<b>indole 88589-38-2 C27H28N2O2
    4-Benzyl-7-(benzylamino)-6,8b-dimethyl-3a-hydroxy-1-oxo-1,2,3,3a,4,8b-hexahydrocyclopent<b>indole
    —— 4-methyl-6-(piperidin-4-yloxy)-2H-1,4-benzoxazin-3(4H)-one hydrochloride 420786-40-9 C14H18N2O3*ClH
    4-methyl-6-(piperidin-4-yloxy)-2H-1,4-benzoxazin-3(4H)-one hydrochloride
    —— 4-(3-Bromo-2-methylpropyl)morpholine hydrobromide 2126177-00-0 C8H17Br2NO
    4-(3-Bromo-2-methylpropyl)morpholine hydrobromide
    —— 4-(dimethylamino)-2-hydroxy-N,N-dimethyl-2-phenylbutane-1-sulfonamide 136877-38-8 C14H24N2O3S
    4-(dimethylamino)-2-hydroxy-N,N-dimethyl-2-phenylbutane-1-sulfonamide
    —— 4-[1-(3,4-dichlorophenyl)-2,5-dioxo-3-methylimidazolidin-4-yl]phenyl 1,1-dimethylethyl carbonate 959692-20-7 C21H20Cl2N2O5
    4-[1-(3,4-dichlorophenyl)-2,5-dioxo-3-methylimidazolidin-4-yl]phenyl 1,1-dimethylethyl carbonate
    —— 4-trichloroacetyl-isophthalic acid 876480-77-2 C10H5Cl3O5
    4-trichloroacetyl-isophthalic acid
    —— 4-bromo-3-(4-acetylphenyl)sydnone 84968-90-1 C10H7BrN2O3
    4-bromo-3-(4-acetylphenyl)sydnone