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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,4-Dibrom-1,3-dioxo-2-methyl-1,2,3,4-tetrahydroisochinolin 17532-62-6 C10H7Br2NO2
    4,4-Dibrom-1,3-dioxo-2-methyl-1,2,3,4-tetrahydroisochinolin
    —— 4-(2-Chlor-6-methyl-phenylhydrazono)-1-carbamoyl-3-methyl-2-pyrazolin-5-on 22948-57-8 C12H12ClN5O2
    4-(2-Chlor-6-methyl-phenylhydrazono)-1-carbamoyl-3-methyl-2-pyrazolin-5-on
    —— 4-Amino-5-(chinonyl-2)-pyrimidin 22433-66-5 C13H10N4
    4-Amino-5-(chinonyl-2)-pyrimidin
    —— 4-amino-2-diethylamino-8-ethyl-8<i>H</i>-pteridin-7-one 29984-66-5 C12H18N6O
    4-amino-2-diethylamino-8-ethyl-8<i>H</i>-pteridin-7-one
    —— 4-isopropenyl-4-methyl-1-trichloroacetyl-azetidin-2-one 22983-50-2 C9H10Cl3NO2
    4-isopropenyl-4-methyl-1-trichloroacetyl-azetidin-2-one
    —— 4-(2-Cyanethylthio)-2-methyl-6-nitro-chinolin 36063-33-9 C13H11N3O2S
    4-(2-Cyanethylthio)-2-methyl-6-nitro-chinolin
    —— 4-(diphenylmethylene)-1,3-dimethyl-3,4-dihydropyrimidin-2(1H)-one 1346675-96-4 C19H18N2O
    4-(diphenylmethylene)-1,3-dimethyl-3,4-dihydropyrimidin-2(1H)-one
    —— 4-dimesitylboryl-2,6-dibromo-3,5-dimethylaniline 82051-89-6 C26H30BBr2N
    4-dimesitylboryl-2,6-dibromo-3,5-dimethylaniline
    —— 4-[(2R,3S)-3-Benzyloxy-2-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-4-oxo-azetidin-1-yl]-N-(2,6-dimethoxy-pyrimidin-4-yl)-benzenesulfonamide 288585-90-0 C27H30N4O8S
    4-[(2R,3S)-3-Benzyloxy-2-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-4-oxo-azetidin-1-yl]-N-(2,6-dimethoxy-pyrimidin-4-yl)-benzenesulfonamide
    —— 4-(4-chloro-phenyl)-7-hydroxy-3-(4-methoxy-phenyl)-chromen-2-one 37464-09-8 C22H15ClO4
    4-(4-chloro-phenyl)-7-hydroxy-3-(4-methoxy-phenyl)-chromen-2-one
    —— 4-bromo-benzoic acid <i>N</i>'-(1(2)<i>H</i>-tetrazol-5-yl)-hydrazide 33632-26-7 C8H7BrN6O
    4-bromo-benzoic acid <i>N</i>'-(1(2)<i>H</i>-tetrazol-5-yl)-hydrazide
    —— 4-Hydroxy-2,5-dioxo-7-propenyl-2H,5H-pyrano<4,3-b>pyran-8-carbonsaeure-aethylester 24009-67-4 C14H12O7
    4-Hydroxy-2,5-dioxo-7-propenyl-2H,5H-pyrano<4,3-b>pyran-8-carbonsaeure-aethylester
    —— 4-(Dimorpholidochlorphosphazo)pyrimidin 22114-10-9 C12H19ClN5O2P
    4-(Dimorpholidochlorphosphazo)pyrimidin
    —— 4-Acetoxy-tris(4-methoxyphenyl)H-4-imidazol 39601-47-3 C26H24N2O5
    4-Acetoxy-tris(4-methoxyphenyl)H-4-imidazol
    —— (4,8-dimethyl-2-oxo-6-propionyl-2<i>H</i>-chromen-7-yloxy)-acetic acid 25944-55-2 C16H16O6
    (4,8-dimethyl-2-oxo-6-propionyl-2<i>H</i>-chromen-7-yloxy)-acetic acid
    —— 4-[(2-carboxy-phenylhydrazono)-methyl]-1-phenyl-quinolinium 47577-13-9 C23H18N3O2
    4-[(2-carboxy-phenylhydrazono)-methyl]-1-phenyl-quinolinium
    —— 4-oxo-2-piperidin-1-yl-6,7-dihydro-4<i>H</i>-pyrido[2,1-<i>a</i>]isoquinoline-1,3-dicarbonitrile 37041-00-2 C20H18N4O
    4-oxo-2-piperidin-1-yl-6,7-dihydro-4<i>H</i>-pyrido[2,1-<i>a</i>]isoquinoline-1,3-dicarbonitrile
    —— 4-Amoxyphenyl-4-methyl-acetanilid 32569-42-9 C20H25NO2
    4-Amoxyphenyl-4-methyl-acetanilid
    —— (4aR,6S,8aR)-6-Methoxy-2-phenyl-8-phenylsulfanyl-4,4a,6,8a-tetrahydro-pyrano[3,2-d][1,3]dioxine 34266-75-6 C20H20O4S
    (4aR,6S,8aR)-6-Methoxy-2-phenyl-8-phenylsulfanyl-4,4a,6,8a-tetrahydro-pyrano[3,2-d][1,3]dioxine
    —— (4<i>H</i>-[1,2,4]triazol-3-ylsulfanyl)-acetic acid benzylidenehydrazide 24127-95-5 C11H11N5OS
    (4<i>H</i>-[1,2,4]triazol-3-ylsulfanyl)-acetic acid benzylidenehydrazide
    —— [4-(2-piperidin-1-yl-ethyl)-piperazin-1-yl]-acetic acid ethyl ester 47092-53-5 C15H29N3O2
    [4-(2-piperidin-1-yl-ethyl)-piperazin-1-yl]-acetic acid ethyl ester
    —— (4-Bromo-phenyl)-carbamic acid 5-chloro-2-(2,4-dichloro-phenoxy)-phenyl ester 28386-76-7 C19H11BrCl3NO3
    (4-Bromo-phenyl)-carbamic acid 5-chloro-2-(2,4-dichloro-phenoxy)-phenyl ester
    —— (4R,5S,6S,E)-8-(methoxymethoxy)-2,4,6-trimethyl-5-((triethylsilyl)oxy)oct-2-en-1-ol 381247-16-1 C19H40O4Si
    (4R,5S,6S,E)-8-(methoxymethoxy)-2,4,6-trimethyl-5-((triethylsilyl)oxy)oct-2-en-1-ol
    —— 4-chloro-3-fluoro-2-(methylsulphenyl)benzoic acid 153556-34-4 C8H6ClFO2S
    4-chloro-3-fluoro-2-(methylsulphenyl)benzoic acid
    —— 4-(4″-benzyloxyphenyl)-6-phenyl-2,2′-bipyridine 1393642-96-0 C29H22N2O
    4-(4″-benzyloxyphenyl)-6-phenyl-2,2′-bipyridine
    —— 4-[[[4-[(9-fluorenylmethoxycarbonyl)amino]-1-methylimidazol-2-yl]carbonyl]amino]-1-methylpyrrole-2-carboxylic acid 1238707-05-5 C26H23N5O5
    4-[[[4-[(9-fluorenylmethoxycarbonyl)amino]-1-methylimidazol-2-yl]carbonyl]amino]-1-methylpyrrole-2-carboxylic acid
    —— 4-methoxy-benzo[1,2-<i>d</i>;5,4-<i>d</i>']bisthiazole-2,6-diamine 27052-39-7 C9H8N4OS2
    4-methoxy-benzo[1,2-<i>d</i>;5,4-<i>d</i>']bisthiazole-2,6-diamine
    —— 4-fluorobicyclo[4.2.0]octa-1,3,5-triene-7-carboxylic acid 1780277-74-8 C9H7FO2
    4-fluorobicyclo[4.2.0]octa-1,3,5-triene-7-carboxylic acid
    —— 4-hydroxy-4-(2-methoxymethyl-cyclohex-1-enyl)-2,3-dimethoxy-cyclobut-2-enone 929032-98-4 C14H20O5
    4-hydroxy-4-(2-methoxymethyl-cyclohex-1-enyl)-2,3-dimethoxy-cyclobut-2-enone
    —— 4-methoxy-2-{1-methyl-4-[(1-methyl-4-nitro-1H-pyrrole-2-carbonyl)-amino]-1H-imidazol-2-yl}-1H-benzoimidazole-5-carboxylic acid methyl ester 918304-05-9 C20H19N7O6
    4-methoxy-2-{1-methyl-4-[(1-methyl-4-nitro-1H-pyrrole-2-carbonyl)-amino]-1H-imidazol-2-yl}-1H-benzoimidazole-5-carboxylic acid methyl ester
    —— 4-(2-naphthyl)-2,3-dihydro-1H-naphth[2,1-e][1,3]oxazin-2-one 1174271-40-9 C22H15NO2
    4-(2-naphthyl)-2,3-dihydro-1H-naphth[2,1-e][1,3]oxazin-2-one
    —— 4-[3-([1]benzothiolo[2,3-d]imidazol-1-yl)propyl]morpholine 128555-01-1 C16H19N3OS
    4-[3-([1]benzothiolo[2,3-d]imidazol-1-yl)propyl]morpholine
    —— 4-(3-phenyl-cyclohex-1-enyl)-morpholine 21404-02-4 C16H21NO
    4-(3-phenyl-cyclohex-1-enyl)-morpholine
    —— 4-bromo-N-cyclohexyl-3-phenylisoquinolin-1-amine 1313495-55-4 C21H21BrN2
    4-bromo-N-cyclohexyl-3-phenylisoquinolin-1-amine
    —— 4-(2-bromoethoxy)-3-(4-methoxyphenyl)furan-2(5H)-one 1320275-80-6 C13H13BrO4
    4-(2-bromoethoxy)-3-(4-methoxyphenyl)furan-2(5H)-one
    —— 4-(allyl-1,1-d2)-1,1'-biphenyl 1523607-16-0 C15H14
    4-(allyl-1,1-d2)-1,1'-biphenyl
    —— 4-(2-(4-benzyloxycarbazol-9-yl)ethoxy)benzaldehyde 859831-65-5 C28H23NO3
    4-(2-(4-benzyloxycarbazol-9-yl)ethoxy)benzaldehyde
    —— 4,4'-disulfanediylbis(N-(3-(((2S,3R,4R,5R)-2,3,5,6-tetrahydroxy-4-(((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)hexyl)amino)phenyl)butanamide) 863239-37-6 C44H70N4O22S2
    4,4'-disulfanediylbis(N-(3-(((2S,3R,4R,5R)-2,3,5,6-tetrahydroxy-4-(((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)hexyl)amino)phenyl)butanamide)
    —— [4-amino-2-(1-ethenesulfonyl-piperidin-4-ylamino)-thiazol-5-yl]-(2,6-difluoro-phenyl)-methanone 750584-08-8 C17H18F2N4O3S2
    [4-amino-2-(1-ethenesulfonyl-piperidin-4-ylamino)-thiazol-5-yl]-(2,6-difluoro-phenyl)-methanone
    —— (4R,4aS,7aR,12bS)-3-(cyclopropylmethyl)-6-(dimethylaminomethylidene)-4a-hydroxy-9-methoxy-1,2,4,5,7a,13-hexahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-7-one 79413-60-8 C24H30N2O4
    (4R,4aS,7aR,12bS)-3-(cyclopropylmethyl)-6-(dimethylaminomethylidene)-4a-hydroxy-9-methoxy-1,2,4,5,7a,13-hexahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-7-one
    —— 4,6-bis(2-((trimethylsilyl)oxy)phenyl)-1,2,3,5-oxathiadiazine 2,2-dioxide 1311284-26-0 C20H26N2O5SSi2
    4,6-bis(2-((trimethylsilyl)oxy)phenyl)-1,2,3,5-oxathiadiazine 2,2-dioxide
    —— 4-acetyl-3-phenyl-3-cyclooctenone 911641-85-5 C16H18O2
    4-acetyl-3-phenyl-3-cyclooctenone
    —— 4-chloro-2-methyl-N-(3-methylbut-2-enyl)aniline 1227063-10-6 C12H16ClN
    4-chloro-2-methyl-N-(3-methylbut-2-enyl)aniline
    —— (4a<i>S</i>)-3<i>c</i>,4<i>t</i>-diacetoxy-2<i>t</i>-acetoxymethyl-(4a<i>r</i>,10a<i>c</i>)-3,4,4a,10a-tetrahydro-2<i>H</i>,5<i>H</i>-benzo[<i>b</i>]pyrano[3,2-<i>e</i>][1,4]thiazine 32579-93-4 C18H21NO7S
    (4a<i>S</i>)-3<i>c</i>,4<i>t</i>-diacetoxy-2<i>t</i>-acetoxymethyl-(4a<i>r</i>,10a<i>c</i>)-3,4,4a,10a-tetrahydro-2<i>H</i>,5<i>H</i>-benzo[<i>b</i>]pyrano[3,2-<i>e</i>][1,4]thiazine
    —— 4-hydroxy-3-(4-methylphenylsulfonamido)-1-phenyl-(1R,3R)-butyl acetate 722538-54-7 C19H23NO5S
    4-hydroxy-3-(4-methylphenylsulfonamido)-1-phenyl-(1R,3R)-butyl acetate
    —— 4-(4-methoxy-phenyl)-pyridine-2,6-diol 856163-74-1 C12H11NO3
    4-(4-methoxy-phenyl)-pyridine-2,6-diol
    —— 4-phenyl-2,4,6-triazatetracyclo[5.3.2.18,10.02,6]tridec-11-ene-3,5-dione 94458-97-6 C16H15N3O2
    4-phenyl-2,4,6-triazatetracyclo[5.3.2.18,10.02,6]tridec-11-ene-3,5-dione
    —— 4-(5-(2-((4-boronobenzyl)oxy)phenyl)-3-(2-hydroxyphenyl)-1H-1,2,4-triazol-1-yl)benzoic acid 1414867-91-6 C28H22BN3O6
    4-(5-(2-((4-boronobenzyl)oxy)phenyl)-3-(2-hydroxyphenyl)-1H-1,2,4-triazol-1-yl)benzoic acid
    —— 4-(N,N-dimethylaminosulphonyl)-2-trifluoromethylbenzoic acid 160775-17-7 C10H10F3NO4S
    4-(N,N-dimethylaminosulphonyl)-2-trifluoromethylbenzoic acid
    —— (4-iodosyl-phenyl)-arsonic acid 861607-00-3 C6H6AsIO4
    (4-iodosyl-phenyl)-arsonic acid