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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-oxo-hexacosanoic acid 115385-32-5 C26H50O3
    4-oxo-hexacosanoic acid
    —— 4-ethoxy-3-ethylsulfanyl-2-methyl-but-3-en-2-ol 100705-16-6 C9H18O2S
    4-ethoxy-3-ethylsulfanyl-2-methyl-but-3-en-2-ol
    —— (4aR)-3,5c,6t,10,12,12a-hexahydroxy-6c-methyl-1,11-dioxo-(4ar,5ac,12ac)-1,4,4a,5,5a,6,11,12a-octahydro-naphthacene-2-carboxylic acid amide 4495-20-9 C20H19NO9
    (4aR)-3,5c,6t,10,12,12a-hexahydroxy-6c-methyl-1,11-dioxo-(4ar,5ac,12ac)-1,4,4a,5,5a,6,11,12a-octahydro-naphthacene-2-carboxylic acid amide
    —— 4-acetylamino-N-(5-cyclohexyl-[1,3,4]oxadiazol-2-yl)-benzenesulfonamide 93539-27-6 C16H20N4O4S
    4-acetylamino-N-(5-cyclohexyl-[1,3,4]oxadiazol-2-yl)-benzenesulfonamide
    —— 4-(4-((3R,4aR,10aR)-6-methoxy-1-methyl-1,2,3,4,4a,5,10,10a-octahydrobenzo[g]quinoline-3-carbonyl)piperazin-1-yl)phenyl acetate 946157-04-6 C28H35N3O4
    4-(4-((3R,4aR,10aR)-6-methoxy-1-methyl-1,2,3,4,4a,5,10,10a-octahydrobenzo[g]quinoline-3-carbonyl)piperazin-1-yl)phenyl acetate
    —— 4-acetoxy-7-acetylamino-1,2-dihydro-3-methyl-2-oxo-1,8-naphthyridine 120537-69-1 C13H13N3O4
    4-acetoxy-7-acetylamino-1,2-dihydro-3-methyl-2-oxo-1,8-naphthyridine
    —— (4-(4-(3-methyl-1H-pyrazol-5-ylamino)pyrrolo[2,1-f][1,2,4]triazin-2-yl)piperazin-1-yl)(phenyl)methanone trifluoroacetate 1221266-96-1 C2HF3O2*C21H22N8O
    (4-(4-(3-methyl-1H-pyrazol-5-ylamino)pyrrolo[2,1-f][1,2,4]triazin-2-yl)piperazin-1-yl)(phenyl)methanone trifluoroacetate
    —— 4,7-bis((tert-butyldimethylsilyloxy)methyl)-2-(3,7-dimethyloctyl)-3a,4,7,7a-tetrahydro-2H-isoindole-1,3-dione 1204696-04-7 C32H61NO4Si2
    4,7-bis((tert-butyldimethylsilyloxy)methyl)-2-(3,7-dimethyloctyl)-3a,4,7,7a-tetrahydro-2H-isoindole-1,3-dione
    —— [(4-Bromophenyl)-ethoxymethoxy]-diethylsilane 1417305-46-4 C13H21BrO2Si
    [(4-Bromophenyl)-ethoxymethoxy]-diethylsilane
    —— 4-Methylnon-4-en-1,8-diyn-3-yl 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate 54406-99-4 C20H26O2
    4-Methylnon-4-en-1,8-diyn-3-yl 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate
    —— 4-Hydroxy-2-amino-6-(4-carboxybutyl)-5-(4-phenylbutyl)-pyrimidin 7781-15-9 C19H25N3O3
    4-Hydroxy-2-amino-6-(4-carboxybutyl)-5-(4-phenylbutyl)-pyrimidin
    —— [4-(5-cyclopropyl-3-methylpyridin-2-yl)piperazin-1-yl](6-fluoro-4-methylpyridin-3-yl)methanone 1223433-39-3 C20H23FN4O
    [4-(5-cyclopropyl-3-methylpyridin-2-yl)piperazin-1-yl](6-fluoro-4-methylpyridin-3-yl)methanone
    —— (4-nitro-dibenzothiophen-3-yl)-carbamic acid propyl ester 854832-84-1 C16H14N2O4S
    (4-nitro-dibenzothiophen-3-yl)-carbamic acid propyl ester
    —— 4,5-Dibrom-2,3,4-tri-tert-butyl-2-cyclopenten-1-on 66809-02-7 C17H28Br2O
    4,5-Dibrom-2,3,4-tri-tert-butyl-2-cyclopenten-1-on
    —— 4-benzyl-2-(o-tolyl)-2,3-dihydro-4H-benzothiazin-3-one 74982-41-5 C22H19NOS
    4-benzyl-2-(o-tolyl)-2,3-dihydro-4H-benzothiazin-3-one
    —— 4-benzyl-1,1-dimethoxy-2,6-diphenyl-1λ<sup>5</sup>-phosphinine 54182-45-5 C26H25O2P
    4-benzyl-1,1-dimethoxy-2,6-diphenyl-1λ<sup>5</sup>-phosphinine
    —— 4-CL-N-(2-((2-(4-HO-3-Meo-benzylidene)hydrazino)carbonyl)PH)benzenesulfonamide 477733-69-0 C21H18ClN3O5S
    4-CL-N-(2-((2-(4-HO-3-Meo-benzylidene)hydrazino)carbonyl)PH)benzenesulfonamide
    —— 4-bromo-5-chloro-1-tritylimidazole 112517-24-5 C22H16BrClN2
    4-bromo-5-chloro-1-tritylimidazole
    —— 4-Cyclopropyl-7-fluoro-5-methoxy-6-(5-pyridin-4-ylthiophen-3-yl)pyrido[1,2-c]pyrimidine-1,3-dione 477703-87-0 C21H16FN3O3S
    4-Cyclopropyl-7-fluoro-5-methoxy-6-(5-pyridin-4-ylthiophen-3-yl)pyrido[1,2-c]pyrimidine-1,3-dione
    —— 4-C-(adenin-9-ylmethyl)-1,2:3,5-di-O-isopropylidene-α-D-xylofuranose 123062-35-1 C17H23N5O5
    4-C-(adenin-9-ylmethyl)-1,2:3,5-di-O-isopropylidene-α-D-xylofuranose
    —— 4-(3-iodoimidazo[1,2-b]pyridazin-8-yl)isoquinoline 1345843-61-9 C15H9IN4
    4-(3-iodoimidazo[1,2-b]pyridazin-8-yl)isoquinoline
    —— 4-(1-methyl-1H-pyrazol-4-yl)-8-[(4-{2-[4-(pyrrolidin-1-yl)piperidin-1-yl]ethyl}phenyl)amino]-1,2-dihydro-2,7-naphthyridin-1-one 1175548-09-0 C29H35N7O
    4-(1-methyl-1H-pyrazol-4-yl)-8-[(4-{2-[4-(pyrrolidin-1-yl)piperidin-1-yl]ethyl}phenyl)amino]-1,2-dihydro-2,7-naphthyridin-1-one
    —— 4-(4-benzyloxy-butyl)-2,2-dimethyl-pent-4-enal 908125-60-0 C18H26O2
    4-(4-benzyloxy-butyl)-2,2-dimethyl-pent-4-enal
    —— 4-[4-[(3-Chloro-2-propen-1-yl)oxy]phenyl]-1,2,3,6-tetrahydropyridine 1016769-65-5 C14H16ClNO
    4-[4-[(3-Chloro-2-propen-1-yl)oxy]phenyl]-1,2,3,6-tetrahydropyridine
    —— 4,4-dimethyl-3-(4-(7-(1-methyl-1H-pyrazol-4-yl)imidazo[1,2-c]pyrimidin-5-yl)-1H-pyrazol-1-yl)pentanenitrile 1339887-83-0 C20H22N8
    4,4-dimethyl-3-(4-(7-(1-methyl-1H-pyrazol-4-yl)imidazo[1,2-c]pyrimidin-5-yl)-1H-pyrazol-1-yl)pentanenitrile
    —— [4-(12-Bromo-dodecylsulfanyl)-5-decyl-[1,3]dithiol-2-yl]-dimethyl-amine 677031-41-3 C27H52BrNS3
    [4-(12-Bromo-dodecylsulfanyl)-5-decyl-[1,3]dithiol-2-yl]-dimethyl-amine
    —— (4-o-tolyl-allophanoyl)-carbamic acid ethyl ester 861297-67-8 C12H15N3O4
    (4-o-tolyl-allophanoyl)-carbamic acid ethyl ester
    —— 4,5-Dihydroxy-6,7-di-n-propyl-1,3-benzdioxol 86989-68-6 C13H18O4
    4,5-Dihydroxy-6,7-di-n-propyl-1,3-benzdioxol
    —— (4aR,7aR,12bS)-7,7,9-trimethoxy-3-methyl-2,3,4,4a,7,7a-hexahydro-1H-benzofuro[3,2-e]isoquinoline 1609251-04-8 C19H25NO4
    (4aR,7aR,12bS)-7,7,9-trimethoxy-3-methyl-2,3,4,4a,7,7a-hexahydro-1H-benzofuro[3,2-e]isoquinoline
    —— 4-<(5-Chlor-3-methyl-benzofur-2-yl)-methylen>-2-phenyl-oxazolin-5-on 1165-92-0 C19H12ClNO3
    4-<(5-Chlor-3-methyl-benzofur-2-yl)-methylen>-2-phenyl-oxazolin-5-on
    —— 4-(2-methoxy-5-methyl-phenyl)-7-methyl-coumarin 109251-17-4 C18H16O3
    4-(2-methoxy-5-methyl-phenyl)-7-methyl-coumarin
    —— 4-Chlor-3-oxo-5-<3-chlor-4-methoxy-phenyl>-3H-<1,2>dithiol 90876-95-2 C10H6Cl2O2S2
    4-Chlor-3-oxo-5-<3-chlor-4-methoxy-phenyl>-3H-<1,2>dithiol
    —— 4-Benzyloxy-2-methoxycarbonyl-5-methoxy-phenaethyl-alkohol 93903-95-8 C18H20O5
    4-Benzyloxy-2-methoxycarbonyl-5-methoxy-phenaethyl-alkohol
    —— 4-(5-methoxy-2-methyl-benzofuran-3-ylmethyl)-morpholine 29540-42-9 C15H19NO3
    4-(5-methoxy-2-methyl-benzofuran-3-ylmethyl)-morpholine
    —— 4-p-Toluolsulfonylamino-thiochroman-S,S-dioxid 100337-48-2 C16H17NO4S2
    4-p-Toluolsulfonylamino-thiochroman-S,S-dioxid
    —— 4-{(1R)-1-[({(6R)-6-(5-chloro-2-methoxybenzyl)-3-[(3,5-difluorophenoxy)imino]-7-oxo-1,4-diazepan-1-yl}carbonyl)amino]propyl}-2-hydroxybenzoic acid 1312768-87-8 C30H29ClF2N4O7
    4-{(1R)-1-[({(6R)-6-(5-chloro-2-methoxybenzyl)-3-[(3,5-difluorophenoxy)imino]-7-oxo-1,4-diazepan-1-yl}carbonyl)amino]propyl}-2-hydroxybenzoic acid
    —— 4-[((2S)-3-{7-[2-(2,2-dimethyl-4-oxo-3,4-dihydro-1,5-benzoxazepin-5(2H)-yl)ethyl]-9-oxa-3,7-diazabicyclo[3.3.1]non-3-yl}-2-hydroxypropyl)oxy]-benzonitrile 942281-88-1 C29H36N4O5
    4-[((2S)-3-{7-[2-(2,2-dimethyl-4-oxo-3,4-dihydro-1,5-benzoxazepin-5(2H)-yl)ethyl]-9-oxa-3,7-diazabicyclo[3.3.1]non-3-yl}-2-hydroxypropyl)oxy]-benzonitrile
    —— 4-(4,6-diphenylpyrazolo[4,3-d][1,2,3]triazol-2(4H)-yl)benzoic acid 1268855-92-0 C22H15N5O2
    4-(4,6-diphenylpyrazolo[4,3-d][1,2,3]triazol-2(4H)-yl)benzoic acid
    —— 4-Chlor-2-aethyl-6-n-pentylphenol 53346-79-5 C13H19ClO
    4-Chlor-2-aethyl-6-n-pentylphenol
    —— (4S,4aR,10aR)-4a-Hydroxy-10a-((S)-hydroxy-methoxycarbonyl-methyl)-6-methoxy-4-methyl-1,2,3,4,4a,9,10,10a-octahydro-phenanthrene-4-carboxylic acid methyl ester 96834-57-0 C21H28O7
    (4S,4aR,10aR)-4a-Hydroxy-10a-((S)-hydroxy-methoxycarbonyl-methyl)-6-methoxy-4-methyl-1,2,3,4,4a,9,10,10a-octahydro-phenanthrene-4-carboxylic acid methyl ester
    —— (4-Chloro-phenyl)-(2-methoxy-naphthalen-1-yl)-diazene 77262-91-0 C17H13ClN2O
    (4-Chloro-phenyl)-(2-methoxy-naphthalen-1-yl)-diazene
    —— 4β-acetoxy-8α,9α;10β,13-diepoxytrichothecan-12-ol 128291-45-2 C17H24O6
    4β-acetoxy-8α,9α;10β,13-diepoxytrichothecan-12-ol
    —— [4-(4-Methyl-pent-3-enyl)-cyclohexa-1,3-dienyl]-benzene 113768-28-8 C18H22
    [4-(4-Methyl-pent-3-enyl)-cyclohexa-1,3-dienyl]-benzene
    —— 4-(3-nitrophenyl)-2-(1H-pyrrol-1-yl)thiazole 1453118-23-4 C13H9N3O2S
    4-(3-nitrophenyl)-2-(1H-pyrrol-1-yl)thiazole
    —— 4-(3,4-dichlorophenyl)-3-(propan-2-yl)piperidine, Mixture of diastereomers 1514270-19-9 C14H19Cl2N
    4-(3,4-dichlorophenyl)-3-(propan-2-yl)piperidine, Mixture of diastereomers
    —— 4α,5-epoxy-3α-methoxy-5α-cholestan-6β-ol 57423-43-5 C28H48O3
    4α,5-epoxy-3α-methoxy-5α-cholestan-6β-ol
    —— 4-bromo-3-(2,6-difluorophenyl)-1-trityl-1H-pyrazole 474708-68-4 C28H19BrF2N2
    4-bromo-3-(2,6-difluorophenyl)-1-trityl-1H-pyrazole
    —— 4-((4S,5S)-2,2-Dimethyl-5-triisopropylsilanyloxymethyl-[1,3]dioxolan-4-yl)-butan-1-ol 183609-58-7 C19H40O4Si
    4-((4S,5S)-2,2-Dimethyl-5-triisopropylsilanyloxymethyl-[1,3]dioxolan-4-yl)-butan-1-ol
    —— 4,6-diethyl-1-(2-hydroxyethyl)-3a,6a-diphenyl-5-thioxooctahydroimidazo[4,5-d]imidazol-2-one 1346780-34-4 C22H26N4O2S
    4,6-diethyl-1-(2-hydroxyethyl)-3a,6a-diphenyl-5-thioxooctahydroimidazo[4,5-d]imidazol-2-one
    —— 4-(benzylamino)-6-[(4-{[3-(diethylamino)propyl]amino}phenyl)amino]pyridine-3-carboxyamide 1227863-91-3 C26H34N6O
    4-(benzylamino)-6-[(4-{[3-(diethylamino)propyl]amino}phenyl)amino]pyridine-3-carboxyamide