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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Amino-5-cyan-1,6-dihydro-6-imino-1-phenyl-3-pyridazin-carbonsaeure-ethylester 109613-71-0 C14H13N5O2
    4-Amino-5-cyan-1,6-dihydro-6-imino-1-phenyl-3-pyridazin-carbonsaeure-ethylester
    —— 4-Azafluorenone 3-carboxylic acid chloride 107393-05-5 C13H6ClNO2
    4-Azafluorenone 3-carboxylic acid chloride
    —— 4-nitrophenyl 2,3-O-isopropylidene-6-O-(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)-β-D-mannopyranoside 131283-88-0 C29H37NO17
    4-nitrophenyl 2,3-O-isopropylidene-6-O-(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)-β-D-mannopyranoside
    —— 4,4,5,5-Tetramethyl-2-(3-octoxyphenyl)-1,3,2-dioxaborolane 1240047-16-8 C20H33BO3
    4,4,5,5-Tetramethyl-2-(3-octoxyphenyl)-1,3,2-dioxaborolane
    —— 4-N,N-bis(2-hydroxyethyl)aminomethyl-6-(3-fluoro-4-methoxyphenyl)-2-[3-(4-fluorophenyl)propyl]-2H-pyridazin-3-one 503824-68-8 C25H29F2N3O4
    4-N,N-bis(2-hydroxyethyl)aminomethyl-6-(3-fluoro-4-methoxyphenyl)-2-[3-(4-fluorophenyl)propyl]-2H-pyridazin-3-one
    —— 4a(2H)-Phenanthrenemethanol, 1,3,4,9,10,10a-hexahydro-, cis- 79384-83-1 C15H20O
    4a(2H)-Phenanthrenemethanol, 1,3,4,9,10,10a-hexahydro-, cis-
    —— 4-methyl-N-((3-methylfuran-2-yl)methyl)benzenesulfonamide 1188296-90-3 C13H15NO3S
    4-methyl-N-((3-methylfuran-2-yl)methyl)benzenesulfonamide
    —— (4-Isocyanato-tetrahydro-thiopyran-4-yl)-phenyl-diazene 132611-70-2 C12H13N3OS
    (4-Isocyanato-tetrahydro-thiopyran-4-yl)-phenyl-diazene
    —— 4,5,9,10-Tetrahydro-1,8-dioxa-3,6-diaza-dicyclopenta[a,e]cyclooctene 129201-23-6 C10H10N2O2
    4,5,9,10-Tetrahydro-1,8-dioxa-3,6-diaza-dicyclopenta[a,e]cyclooctene
    —— 4-bromo-17α-hydroxy-14α,15α-methylene-androst-4-ene-3-one 344396-98-1 C20H27BrO2
    4-bromo-17α-hydroxy-14α,15α-methylene-androst-4-ene-3-one
    —— 4-(2-hydroxy-ethyl)-5-oxo-2,5-dihydro-1<i>H</i>-pyrazole-3-carboxylic acid methyl ester 42562-51-6 C7H10N2O4
    4-(2-hydroxy-ethyl)-5-oxo-2,5-dihydro-1<i>H</i>-pyrazole-3-carboxylic acid methyl ester
    —— 4-(2-Isopropyl-5-nitro-imidazol-1-ylmethyl)-thiazol-2-ylamine 28558-27-2 C10H13N5O2S
    4-(2-Isopropyl-5-nitro-imidazol-1-ylmethyl)-thiazol-2-ylamine
    —— 4,17α-dihydroxy-14α,15α-methylene-androst-4-ene-3-one 344397-05-3 C20H28O3
    4,17α-dihydroxy-14α,15α-methylene-androst-4-ene-3-one
    —— [4-[2-Amino-6-ethyl-5-[2-(6-methylpyridin-3-yl)ethynyl]pyrimidin-4-yl]-2-fluorophenyl]-(4-cyclopentylpiperazin-1-yl)methanone 1207350-01-3 C30H33FN6O
    [4-[2-Amino-6-ethyl-5-[2-(6-methylpyridin-3-yl)ethynyl]pyrimidin-4-yl]-2-fluorophenyl]-(4-cyclopentylpiperazin-1-yl)methanone
    —— 4-(tert-butyldimethylsilyl)-2-methyl-3-butyn-1-ol 598297-06-4 C11H22OSi
    4-(tert-butyldimethylsilyl)-2-methyl-3-butyn-1-ol
    —— 4-Nitro-3,3,7-trimethyl-2-(2-hydroxy-3-nitro-5-methoxystyryl)indolenine 129431-64-7 C20H19N3O6
    4-Nitro-3,3,7-trimethyl-2-(2-hydroxy-3-nitro-5-methoxystyryl)indolenine
    —— 4-[3-(5'-ethyl-3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl-4-yl)propoxy]-2-methyl-benzoic acid methyl ester 1204336-24-2 C24H32N2O3
    4-[3-(5'-ethyl-3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl-4-yl)propoxy]-2-methyl-benzoic acid methyl ester
    —— 4-chloro-N-[(1R)-1-[4-ethyl-5-(1H-indol-6-yloxy)-1,2,4-triazol-3-yl]ethyl]benzenesulfonamide 945728-66-5 C20H20ClN5O3S
    4-chloro-N-[(1R)-1-[4-ethyl-5-(1H-indol-6-yloxy)-1,2,4-triazol-3-yl]ethyl]benzenesulfonamide
    —— 4-(2,6-difluorophenyl)-N-ethyl-N-[2-fluoro-4-(2-phenylethynyl)phenyl]-5-oxotetrazole-1-carboxamide 1346563-81-2 C24H16F3N5O2
    4-(2,6-difluorophenyl)-N-ethyl-N-[2-fluoro-4-(2-phenylethynyl)phenyl]-5-oxotetrazole-1-carboxamide
    —— (4-(3-(methylthio)-1-phenyl-1H-indazol-6-yl)piperazin-1-yl)(pyridin-3-yl)methanone 1345404-33-2 C24H23N5OS
    (4-(3-(methylthio)-1-phenyl-1H-indazol-6-yl)piperazin-1-yl)(pyridin-3-yl)methanone
    —— 4-(3-chlorophenyl)-6-[1-(4-chlorophenyl)-1-(4-methyl-4H-1,2,4-triazol-3-yl)ethyl]-1-methyl-2(1H)-quinolinone ethanedioate 406162-88-7 C2H2O4*C27H22Cl2N4O
    4-(3-chlorophenyl)-6-[1-(4-chlorophenyl)-1-(4-methyl-4H-1,2,4-triazol-3-yl)ethyl]-1-methyl-2(1H)-quinolinone ethanedioate
    —— 4-(imidazo[1,2-a]pyridine-3-carbonyl)-N-methyl-N-phenyl-benzamide 1235992-14-9 C22H17N3O2
    4-(imidazo[1,2-a]pyridine-3-carbonyl)-N-methyl-N-phenyl-benzamide
    —— 4-[5-(4-Chloro-2-methoxyphenyl)-2-methylphenyl]-5-hydroxy-2,2,6,6-tetramethylpyran-3-one 1033758-71-2 C23H25ClO4
    4-[5-(4-Chloro-2-methoxyphenyl)-2-methylphenyl]-5-hydroxy-2,2,6,6-tetramethylpyran-3-one
    —— 4-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-1,5-dimethoxynaphthalene 133009-61-7 C38H32O9
    4-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-1,5-dimethoxynaphthalene
    —— 4-[[(1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-1-prop-1-en-2-yl-9-prop-2-ynoxy-1,2,3,4,5,6,7,7a,9,10,11,11b,12,13,13a,13b-hexadecahydrocyclopenta[a]chrysen-3a-yl]methoxy]-2,2-dimethyl-4-oxobutanoic acid 1362113-69-6 C39H60O5
    4-[[(1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-1-prop-1-en-2-yl-9-prop-2-ynoxy-1,2,3,4,5,6,7,7a,9,10,11,11b,12,13,13a,13b-hexadecahydrocyclopenta[a]chrysen-3a-yl]methoxy]-2,2-dimethyl-4-oxobutanoic acid
    —— 4-Methyl-1-oxaspiro<4.5>dec-7-ene 135975-00-7 C10H16O
    4-Methyl-1-oxaspiro<4.5>dec-7-ene
    —— 4,5-Bis-(4'-diaethylamino-diphenylamino)-cyclopent-2-enon 62954-92-1 C37H42N4O
    4,5-Bis-(4'-diaethylamino-diphenylamino)-cyclopent-2-enon
    —— 4-(5-ethanesulfonyl-thiophen-2-yl)-benzoic acid, lithium salt 877674-84-5 C13H11O4S2*Li
    4-(5-ethanesulfonyl-thiophen-2-yl)-benzoic acid, lithium salt
    —— 4-[[5-(2,3-dihydro-1,4-benzodioxin-6-yl)pyridin-3-yl]methyl]-2H-phthalazin-1-one 1062289-20-6 C22H17N3O3
    4-[[5-(2,3-dihydro-1,4-benzodioxin-6-yl)pyridin-3-yl]methyl]-2H-phthalazin-1-one
    —— 4-[3-(3-dimethylamino-propoxy)-phenoxy]-2-amino-aniline 60013-77-6 C17H23N3O2
    4-[3-(3-dimethylamino-propoxy)-phenoxy]-2-amino-aniline
    —— 4-amino-N-(4-((((4-(2-hydroxyethyl)phenyl)amino)carbonyl)amino)phenyl)pyrrolo[2,1-f][2,1,4]triazine-5-carboxamide 1083166-25-9 C22H21N7O3
    4-amino-N-(4-((((4-(2-hydroxyethyl)phenyl)amino)carbonyl)amino)phenyl)pyrrolo[2,1-f][2,1,4]triazine-5-carboxamide
    —— 4-(4-isopropyl-phenyl)-6-prop-2-ynyloxy-1-(4-[1,2,3]triazol-2-yl-benzyl)-1H-quinazolin-2-one 717103-77-0 C29H25N5O2
    4-(4-isopropyl-phenyl)-6-prop-2-ynyloxy-1-(4-[1,2,3]triazol-2-yl-benzyl)-1H-quinazolin-2-one
    —— {[4-(2-amino-pyrimidin-5-yl)-2-morpholin-4-yl-5,6-dihydro-pyrrolo[2,3-d]pyrimidine-7-carbonyl]-amino}-acetic acid 1007208-28-7 C17H20N8O4
    {[4-(2-amino-pyrimidin-5-yl)-2-morpholin-4-yl-5,6-dihydro-pyrrolo[2,3-d]pyrimidine-7-carbonyl]-amino}-acetic acid
    —— 4-(6-hydroxyhexanoylamino)phenoxyacetic acid methyl ester 901451-44-3 C15H21NO5
    4-(6-hydroxyhexanoylamino)phenoxyacetic acid methyl ester
    —— 4-pyrrolidino-3,4,5,6-tetrahydro-[1,6,2]oxazamercurepin-7-one-imine 127765-39-3 C8H15HgN3O
    4-pyrrolidino-3,4,5,6-tetrahydro-[1,6,2]oxazamercurepin-7-one-imine
    —— 4-Acetamino-2-trifluormethyl-benzolsulfonsaeure-<N-isopropyl-amid> 1580-12-7 C12H15F3N2O3S
    4-Acetamino-2-trifluormethyl-benzolsulfonsaeure-<N-isopropyl-amid>
    —— 4-Hydroxy-isophthalsaeure-bis-<4-chlor-2-nitro-anilid> 97274-23-2 C20H12Cl2N4O7
    4-Hydroxy-isophthalsaeure-bis-<4-chlor-2-nitro-anilid>
    —— 4-Phenyl-1-(cyclohexyl-phenyl-acetyl)-4-ethoxycarbonyl-piperidin 96275-49-9 C28H35NO3
    4-Phenyl-1-(cyclohexyl-phenyl-acetyl)-4-ethoxycarbonyl-piperidin
    —— 4-Nitro-2-<anilino-sulfonyl>-benzoesaeure-isopropylester 93015-93-1 C16H16N2O6S
    4-Nitro-2-<anilino-sulfonyl>-benzoesaeure-isopropylester
    —— 4-Methyl-17-methylen-oestratetraen-<1,3,5(10),17(20)> 94686-25-6 C20H26
    4-Methyl-17-methylen-oestratetraen-<1,3,5(10),17(20)>
    —— 4-(3-amino-1H-indazol-5-yl)-1,3-dihydro-indol-2-one 442563-07-7 C15H12N4O
    4-(3-amino-1H-indazol-5-yl)-1,3-dihydro-indol-2-one
    —— 4a(2H)-Phenanthrenemethanol, 1,3,4,9,10,10a-hexahydro-, cis- 79384-83-1 C15H20O
    4a(2H)-Phenanthrenemethanol, 1,3,4,9,10,10a-hexahydro-, cis-
    —— (4E,6E,8E)-dodeca-4,6,8-trien-1-ol 67340-92-5 C12H20O
    (4E,6E,8E)-dodeca-4,6,8-trien-1-ol
    —— (+/-)-4-<<3-<(dimethylphenylsilyl)methyl>-2-methyl-2-cyclopenten-1-yl>hydroxymethyl>-2-cyclopenten-1-one acetate 121893-36-5 C23H30O3Si
    (+/-)-4-<<3-<(dimethylphenylsilyl)methyl>-2-methyl-2-cyclopenten-1-yl>hydroxymethyl>-2-cyclopenten-1-one acetate
    —— (4E,9E)-(3S,6S,8S,11S,13S)-6-Benzyloxy-11-hydroxy-3,8,13-trimethyl-2,3,6,7,8,11,12,13-octahydro-cyclopentacyclododecen-1-one 658080-36-5 C25H32O3
    (4E,9E)-(3S,6S,8S,11S,13S)-6-Benzyloxy-11-hydroxy-3,8,13-trimethyl-2,3,6,7,8,11,12,13-octahydro-cyclopentacyclododecen-1-one
    —— 4-acetyl-2-hydroxy-2,5-dimethyl-1-(3-methylbenzyl)-1H-pyrrol-3(2H)-one 1589010-83-2 C16H19NO3
    4-acetyl-2-hydroxy-2,5-dimethyl-1-(3-methylbenzyl)-1H-pyrrol-3(2H)-one
    —— 4-((4-((2-(2-(2-benzamidoethoxy)ethoxy)ethyl)amino)-6-((4-(benzyloxy)phenyl)amino)-1,3,5-triazin-2-yl)amino)benzoic acid 1282038-87-2 C36H37N7O6
    4-((4-((2-(2-(2-benzamidoethoxy)ethoxy)ethyl)amino)-6-((4-(benzyloxy)phenyl)amino)-1,3,5-triazin-2-yl)amino)benzoic acid
    —— ((4-fluorophenyl)amino)tris((tri-tert-butylsilyl)oxy)tantalum(V) hydride 177650-69-0 C42H87FNO3Si3Ta
    ((4-fluorophenyl)amino)tris((tri-tert-butylsilyl)oxy)tantalum(V) hydride
    —— (4-t-Butyldimethylsilyloxybenzyl)-3-Methylthio-4-Hydroxy-6.7-Dimethyl-2(1H)-Quinolinone 141769-43-9 C25H33NO3SSi
    (4-t-Butyldimethylsilyloxybenzyl)-3-Methylthio-4-Hydroxy-6.7-Dimethyl-2(1H)-Quinolinone
    —— 4-hydroxy-3-[cyclopropyl-(4-chlorophenylsulfonylamino)methyl]-5,5-dimethyl-[5H]furan-2-one 1071502-04-9 C22H22ClNO5S
    4-hydroxy-3-[cyclopropyl-(4-chlorophenylsulfonylamino)methyl]-5,5-dimethyl-[5H]furan-2-one