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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(4-Nitro-benzyliden)-3,5-dioxo-1,2-dimethyl-pyrazolidin 18239-27-5 C12H11N3O4
    4-(4-Nitro-benzyliden)-3,5-dioxo-1,2-dimethyl-pyrazolidin
    —— 4'-Hydroxy-1'-thio-chromen-<3'.2':3.4>-2-methyl-chinolin 97809-40-0 C17H13NOS
    4'-Hydroxy-1'-thio-chromen-<3'.2':3.4>-2-methyl-chinolin
    —— (4-bromo-3,5-dimethylphenoxy)acetic acid methyl ester 86745-93-9 C11H13BrO3
    (4-bromo-3,5-dimethylphenoxy)acetic acid methyl ester
    —— 4-chloro-2-(N-ethyl-4-chlorobutylamino)quinazoline 81683-44-5 C14H17Cl2N3
    4-chloro-2-(N-ethyl-4-chlorobutylamino)quinazoline
    —— [4-(acetyloxymethyl)-6,6-difluoro-2-(1,1,3,3,3-pentafluoroprop-1-en-2-yl)-3,3,5-tris(trifluoromethyl)hex-5-enyl] acetate 135560-27-9 C17H12F16O4
    [4-(acetyloxymethyl)-6,6-difluoro-2-(1,1,3,3,3-pentafluoroprop-1-en-2-yl)-3,3,5-tris(trifluoromethyl)hex-5-enyl] acetate
    —— 4-(triethylamine)-arachno-5-CB8H12 846564-76-9 C7H27B8N
    4-(triethylamine)-arachno-5-CB8H12
    —— 4-diazo-2,2-dimethyl-5-(trichloroacetylamino)-5-phenylpentan-3-one 896728-53-3 C15H16Cl3N3O2
    4-diazo-2,2-dimethyl-5-(trichloroacetylamino)-5-phenylpentan-3-one
    —— 4-Cyano-2'-t-butyl-4',6'-dinitrodiphenylamine 109825-63-0 C17H16N4O4
    4-Cyano-2'-t-butyl-4',6'-dinitrodiphenylamine
    —— (4-cyclobutyl-piperazin-1-yl)-[2-(3,4-dichloro-benzoyl)-1,2,3,4-tetrahydro-isoquinolin-6-yl]-methanone 1055946-95-6 C25H27Cl2N3O2
    (4-cyclobutyl-piperazin-1-yl)-[2-(3,4-dichloro-benzoyl)-1,2,3,4-tetrahydro-isoquinolin-6-yl]-methanone
    —— 4-[(1,9-ditert-butyl-3,7-dimethyl-5H-benzo[d][1,3,2]benzodioxaphosphocin-11-yl)oxy]-2,2,6,6-tetramethylpiperidine 99319-36-5 C32H48NO3P
    4-[(1,9-ditert-butyl-3,7-dimethyl-5H-benzo[d][1,3,2]benzodioxaphosphocin-11-yl)oxy]-2,2,6,6-tetramethylpiperidine
    —— 4-[(2E,6E,10E)-12-hydroxy-2,6,10-trimethyl-dodeca-2,6,10-trienyloxy]-3-methoxy-phenol 945609-15-4 C22H32O4
    4-[(2E,6E,10E)-12-hydroxy-2,6,10-trimethyl-dodeca-2,6,10-trienyloxy]-3-methoxy-phenol
    —— 4-benzhydryl-3-phenyl-2H-isoxazol-5-one 97015-50-4 C22H17NO2
    4-benzhydryl-3-phenyl-2H-isoxazol-5-one
    —— 4-benzoyl-1-thia-4-aza-spiro[4.5]decane 15786-94-4 C15H19NOS
    4-benzoyl-1-thia-4-aza-spiro[4.5]decane
    —— 4-<3-<2-<<(N,N-Dimethylamino)methylene>amino>-4(3H)-oxo-3-<(pivaloyloxy)methyl>-5H-pyrrolo<3,2-d>pyrimidin-5-yl>propyl>benzoic acid 169134-91-2 C25H31N5O5
    4-<3-<2-<<(N,N-Dimethylamino)methylene>amino>-4(3H)-oxo-3-<(pivaloyloxy)methyl>-5H-pyrrolo<3,2-d>pyrimidin-5-yl>propyl>benzoic acid
    —— 4-bromo-2-[[(1S)-1-(3,5-dimethylphenyl)ethyl]iminomethyl]phenol 84499-81-0 C17H18BrNO
    4-bromo-2-[[(1S)-1-(3,5-dimethylphenyl)ethyl]iminomethyl]phenol
    —— 4,4-Dimethoxy-2-[3-[4-(2-pyridyl)piperazin-1-yl]propyl]-3,4-dihydro-2H-1-benzothiopyran 1,1-dioxide 1230155-93-7 C23H31N3O4S
    4,4-Dimethoxy-2-[3-[4-(2-pyridyl)piperazin-1-yl]propyl]-3,4-dihydro-2H-1-benzothiopyran 1,1-dioxide
    —— 4-(3-Formyl-2-thioxo-2H-pyridin-1-yl)-benzoic acid ethyl ester 107113-75-7 C15H13NO3S
    4-(3-Formyl-2-thioxo-2H-pyridin-1-yl)-benzoic acid ethyl ester
    —— 4-(cyclooct-2-yn-1-ylmethyl)-N-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl)benzamide 1133357-81-9 C22H24N2O3
    4-(cyclooct-2-yn-1-ylmethyl)-N-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl)benzamide
    —— 4-<(1R,2R,3R)-1,2,4-Triacetoxy-3-(methylthiomethoxy)butyl>-3,6-pyridazindicarbonsaeure-dimethylester 96386-15-1 C20H26N2O11S
    4-<(1R,2R,3R)-1,2,4-Triacetoxy-3-(methylthiomethoxy)butyl>-3,6-pyridazindicarbonsaeure-dimethylester
    —— (4RS,5RS,7SR)-7-isopropylidenyl-4-methyl-2,3,4,5,6,7,8,9-octahydro-2-naphthalenone 74212-17-2 C14H20O
    (4RS,5RS,7SR)-7-isopropylidenyl-4-methyl-2,3,4,5,6,7,8,9-octahydro-2-naphthalenone
    —— (4-methoxy-5'<i>H</i>-spiro[cyclohexa-2,5-diene-1,8'-[1,3]dioxolo[4,5-<i>g</i>]isochromen]-7'-ylmethyl)-dimethyl-amine 60229-86-9 C19H23NO4
    (4-methoxy-5'<i>H</i>-spiro[cyclohexa-2,5-diene-1,8'-[1,3]dioxolo[4,5-<i>g</i>]isochromen]-7'-ylmethyl)-dimethyl-amine
    —— 4,6-Dibrom-3,5-dihydroxy-3',4'-dimethoxy-biphenyl-2-carbonsaeure-ethylester 14367-33-0 C17H16Br2O6
    4,6-Dibrom-3,5-dihydroxy-3',4'-dimethoxy-biphenyl-2-carbonsaeure-ethylester
    —— 4-(5-chloroindol-1-yl)-3,3-dimethylpiperidine-1-carboxylic acid tert-butyl ester 604010-05-1 C20H27ClN2O2
    4-(5-chloroindol-1-yl)-3,3-dimethylpiperidine-1-carboxylic acid tert-butyl ester
    —— (4-hydroxy-4-(p-tolil)-but-1-en-1-yl)diphenylphosphine-borane 1262225-15-9 C23H26BOP
    (4-hydroxy-4-(p-tolil)-but-1-en-1-yl)diphenylphosphine-borane
    —— 4-Nitro-benzoic acid (2S,3S,4S,6R)-2-methyl-4-(2,2,2-trifluoro-acetylamino)-6-((1S,3S)-3,5,12-trihydroxy-3-methylcarbamoyloxymethyl-6,11-dioxo-1,2,3,4,6,11-hexahydro-naphthacen-1-yloxy)-tetrahydro-pyran-3-yl ester 91578-10-8 C36H32F3N3O14
    4-Nitro-benzoic acid (2S,3S,4S,6R)-2-methyl-4-(2,2,2-trifluoro-acetylamino)-6-((1S,3S)-3,5,12-trihydroxy-3-methylcarbamoyloxymethyl-6,11-dioxo-1,2,3,4,6,11-hexahydro-naphthacen-1-yloxy)-tetrahydro-pyran-3-yl ester
    —— 4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-methylthiophene-3-carboxylicacid 2243509-54-6 C21H17NO4S
    4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-methylthiophene-3-carboxylicacid
    —— (4R,5R,7S,8S,12R)-4,7-Bis-benzyloxy-5-isopropyl-8,12-dimethyl-15-oxa-bicyclo[12.1.0]pentadecane-2-carboxylic acid methyl ester 503546-23-4 C35H50O5
    (4R,5R,7S,8S,12R)-4,7-Bis-benzyloxy-5-isopropyl-8,12-dimethyl-15-oxa-bicyclo[12.1.0]pentadecane-2-carboxylic acid methyl ester
    —— 4-(1-benzothiophen-3-yl)-N-[3-methoxy-4-(4-methylimidazol-1-yl)phenyl]benzamide 1261276-48-5 C26H21N3O2S
    4-(1-benzothiophen-3-yl)-N-[3-methoxy-4-(4-methylimidazol-1-yl)phenyl]benzamide
    —— (4S,10bS)-4-phenyl-4,10b-dihydro-3H-pyrido[1,2-b]isoindol-6-one 1192159-49-1 C18H15NO
    (4S,10bS)-4-phenyl-4,10b-dihydro-3H-pyrido[1,2-b]isoindol-6-one
    —— 4,5-dimethyl-5-ethyl-5H-furan-2-one 93179-59-0 C8H12O2
    4,5-dimethyl-5-ethyl-5H-furan-2-one
    —— 4-Fluoren-9-ylidenemethyl-4H-cyclopenta[def]phenanthrene 5738-44-3 C29H18
    4-Fluoren-9-ylidenemethyl-4H-cyclopenta[def]phenanthrene
    —— 4-Brom-β-hydroxy-chalkon-oxim 20377-27-9 C15H12BrNO2
    4-Brom-β-hydroxy-chalkon-oxim
    —— 4b-Formyl-8,8-dimethyl-3,10a-aethano-perhydrophenanthren 99888-43-4 C19H30O
    4b-Formyl-8,8-dimethyl-3,10a-aethano-perhydrophenanthren
    —— 4-(2-chloro-ethyl)-<i>N</i>-(5-isobutyl-[1,3,4]oxadiazol-2-yl)-benzenesulfonamide 92378-66-0 C14H18ClN3O3S
    4-(2-chloro-ethyl)-<i>N</i>-(5-isobutyl-[1,3,4]oxadiazol-2-yl)-benzenesulfonamide
    —— 4-Sulfamoyltoluol-2-sulfon-dimethylamid 117204-62-3 C9H14N2O4S2
    4-Sulfamoyltoluol-2-sulfon-dimethylamid
    —— (+/-)-4-Methyl-lobelin 4675-00-7 C23H29NO2
    (+/-)-4-Methyl-lobelin
    —— 4b-Hydroxymethyl-8.8-dimethyl-3.10a-aethano-perhydrophenanthren 100149-41-5 C19H32O
    4b-Hydroxymethyl-8.8-dimethyl-3.10a-aethano-perhydrophenanthren
    —— (4aR,7aR)-2-amino-6-(5-chloro-4-cyclopropyl-6-methoxypyrimidin-2-yl)-7a-(5-chlorothiophen-2-yl)-3-methyl-5,7-dihydro-4aH-pyrrolo[3,4-d]pyrimidin-4-one 1192479-26-7 C19H20Cl2N6O2S
    (4aR,7aR)-2-amino-6-(5-chloro-4-cyclopropyl-6-methoxypyrimidin-2-yl)-7a-(5-chlorothiophen-2-yl)-3-methyl-5,7-dihydro-4aH-pyrrolo[3,4-d]pyrimidin-4-one
    —— 4-(5-tert-butyl-2-methyl-2H-pyrazol-3-yl)-2-[1-methyl-1-(toluene-4-sulfonyl)-ethyl]-oxazole 1196103-27-1 C21H27N3O3S
    4-(5-tert-butyl-2-methyl-2H-pyrazol-3-yl)-2-[1-methyl-1-(toluene-4-sulfonyl)-ethyl]-oxazole
    —— 4'-Acetyl-5-formyl-3-(2-methoxycarbonyl-ethyl)-3',4-dimethyl-di-α-pyrryl-methan 18851-96-2 C18H22N2O4
    4'-Acetyl-5-formyl-3-(2-methoxycarbonyl-ethyl)-3',4-dimethyl-di-α-pyrryl-methan
    —— 4-(o-bromophenyl)-1-(o-nitrobenzal)semicarbazone 131339-77-0 C14H11BrN4O3
    4-(o-bromophenyl)-1-(o-nitrobenzal)semicarbazone
    —— 4-(1-Isobutyl-6-naphthalen-1-ylmethyl-2,4-dioxo-1,2,4,6-tetrahydro-pyrrolo[3,4-d]pyrimidin-3-yl)-butyric acid 166755-29-9 C25H27N3O4
    4-(1-Isobutyl-6-naphthalen-1-ylmethyl-2,4-dioxo-1,2,4,6-tetrahydro-pyrrolo[3,4-d]pyrimidin-3-yl)-butyric acid
    —— 4-(2-hydroxy-5-methylphenyl)-7-methoxy-2H-1,4-benzoxazin-3(4H)-one 72001-36-6 C16H15NO4
    4-(2-hydroxy-5-methylphenyl)-7-methoxy-2H-1,4-benzoxazin-3(4H)-one
    —— 4-perdeuteroethyl-5-perdeutoeroisopropyl-7-(3-phenyl-1H-pyrazol-4-yl)-4,5-dihydro-[1,2,4]triazolo[4,3-f]pteridine 1371623-11-8 C21H22N8
    4-perdeuteroethyl-5-perdeutoeroisopropyl-7-(3-phenyl-1H-pyrazol-4-yl)-4,5-dihydro-[1,2,4]triazolo[4,3-f]pteridine
    —— 4-methyl-1-[(2E)-3-(3,4,5-trimethoxyphenyl)prop-2-enoyl]-5,6-dihydropyridin-2(1H)-one 1415152-57-6 C18H21NO5
    4-methyl-1-[(2E)-3-(3,4,5-trimethoxyphenyl)prop-2-enoyl]-5,6-dihydropyridin-2(1H)-one
    —— (4S,4'S)-2,2'-(3,6-Bis(4-methoxyphenyl)-9H-carbazole-1,8-diyl)bis(4-isopropyl-4,5-dihydrooxazole) 1246891-58-6 C38H39N3O4
    (4S,4'S)-2,2'-(3,6-Bis(4-methoxyphenyl)-9H-carbazole-1,8-diyl)bis(4-isopropyl-4,5-dihydrooxazole)
    —— (4-methoxy-phenyl-2,3,5,6-d4)-methylamine 827031-43-6 C8H11NO
    (4-methoxy-phenyl-2,3,5,6-d4)-methylamine
    —— 4-[[2-(diethoxyphosphorylcarbamoylamino)phenyl]carbamoyl]benzenesulfonyl fluoride 66475-20-5 C18H21FN3O7PS
    4-[[2-(diethoxyphosphorylcarbamoylamino)phenyl]carbamoyl]benzenesulfonyl fluoride
    —— (4S,2'S,3'R)-3-[3'-(4-chlorophenyl)oxiranecarbonyl]-4-(1-methylethyl)-2-oxazolidinone 1256455-48-7 C15H16ClNO4
    (4S,2'S,3'R)-3-[3'-(4-chlorophenyl)oxiranecarbonyl]-4-(1-methylethyl)-2-oxazolidinone
    —— (4S)-4-(2-tert-butyldiphenylsilyloxyethyl)dihydrofuran-2(3H)-one 1333325-47-5 C22H28O3Si
    (4S)-4-(2-tert-butyldiphenylsilyloxyethyl)dihydrofuran-2(3H)-one