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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4aα-Methyl-A-homo-B,19-dinor-5β,10α-cholestan-3β-ol 92142-29-5 C27H48O
    4aα-Methyl-A-homo-B,19-dinor-5β,10α-cholestan-3β-ol
    —— 4-chloro-[1-[3-(1,3-dioxo-1,3-dihydroisoindol-2-yl)-2,2-dimethylpropyl]-1H-imidazo[4,5-c]pyridin-2-yl]-acetonitrile 842143-63-9 C21H18ClN5O2
    4-chloro-[1-[3-(1,3-dioxo-1,3-dihydroisoindol-2-yl)-2,2-dimethylpropyl]-1H-imidazo[4,5-c]pyridin-2-yl]-acetonitrile
    —— 4,5,6,7-Tetrachloro-2-ethyl-8,8-dimethoxy-2,3,3a,4,7,7a-hexahydro-1H-4,7-methano-indene 93648-24-9 C14H18Cl4O2
    4,5,6,7-Tetrachloro-2-ethyl-8,8-dimethoxy-2,3,3a,4,7,7a-hexahydro-1H-4,7-methano-indene
    —— (4,5α-epoxy-3,6-dimethoxy-17-thiophen-3-ylmethyl-6α,14α-etheno-morphinan-7α-yl)-phenyl-methanol 52117-99-4 C32H33NO4S
    (4,5α-epoxy-3,6-dimethoxy-17-thiophen-3-ylmethyl-6α,14α-etheno-morphinan-7α-yl)-phenyl-methanol
    —— 4-isoquinolin-3-yl-2,6-dimethyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid dimethyl ester 50672-79-2 C20H20N2O4
    4-isoquinolin-3-yl-2,6-dimethyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid dimethyl ester
    —— 4-(5-iodo-6-methoxynaphthalen-2-yl)butan-2-one 1225055-49-1 C15H15IO2
    4-(5-iodo-6-methoxynaphthalen-2-yl)butan-2-one
    —— (4S)-1-butyryl-4-<(carboxymethyl)methylamino>-L-proline 4-tert-butyl ester 84520-86-5 C16H28N2O5
    (4S)-1-butyryl-4-<(carboxymethyl)methylamino>-L-proline 4-tert-butyl ester
    —— (4-nitrophenyl)methyl (6R,7R)-3-[[(2S)-2-[[(2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoyl]amino]propanoyl]oxymethyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 103930-60-5 C32H37N5O11S2
    (4-nitrophenyl)methyl (6R,7R)-3-[[(2S)-2-[[(2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoyl]amino]propanoyl]oxymethyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— (4-amino-3-hydroxy-phenyl)-arsonic acid 871878-05-6 C6H8AsNO4
    (4-amino-3-hydroxy-phenyl)-arsonic acid
    —— 4-amino-6-(4-chloro-2-fluoro-3-(1-fluoroethyl)phenyl)-5-fluoro-3-methoxypicolinic acid 1417331-80-6 C15H12ClF3N2O3
    4-amino-6-(4-chloro-2-fluoro-3-(1-fluoroethyl)phenyl)-5-fluoro-3-methoxypicolinic acid
    —— 4-methyl-5-(4'-sulfamoyl-[1,1'-biphenyl]-3-yl)thiophene-2-carboxylic acid 1417797-94-4 C18H15NO4S2
    4-methyl-5-(4'-sulfamoyl-[1,1'-biphenyl]-3-yl)thiophene-2-carboxylic acid
    —— 4,11-dimethoxy-7,7-dimethyl-9-methylene-5-oxo-6,7,8,9-tetrahydro-5H-furo[3',2':6,7]chromeno[3,2-c]pyridinium; chloride 52378-37-7 C19H20NO5*Cl
    4,11-dimethoxy-7,7-dimethyl-9-methylene-5-oxo-6,7,8,9-tetrahydro-5H-furo[3',2':6,7]chromeno[3,2-c]pyridinium; chloride
    —— (4R,5S)-1,5-Dimethyl-3-((R)-3-methyl-pent-4-enoyl)-4-phenyl-imidazolidin-2-one 139962-58-6 C17H22N2O2
    (4R,5S)-1,5-Dimethyl-3-((R)-3-methyl-pent-4-enoyl)-4-phenyl-imidazolidin-2-one
    —— 4-fluoro-N-[6-(furan-2-carbonyl)-5,6,7,8-tetrahydro-pyrido[4,3-d]pyrimidin-2-yl]-benzamide 869197-36-4 C19H15FN4O3
    4-fluoro-N-[6-(furan-2-carbonyl)-5,6,7,8-tetrahydro-pyrido[4,3-d]pyrimidin-2-yl]-benzamide
    —— 4-(2-Aminophenoxy)-2-phenyl-5-pyrimidincarbonsaeureethylester 39975-84-3 C19H17N3O3
    4-(2-Aminophenoxy)-2-phenyl-5-pyrimidincarbonsaeureethylester
    —— 4-(2,3-dimethoxybenzylidene)-3-methyl-1H-pyrazol-5(4H)-one 1281898-01-8 C13H14N2O3
    4-(2,3-dimethoxybenzylidene)-3-methyl-1H-pyrazol-5(4H)-one
    —— 4-{4-[4-(4-fluoro-3-trifluoromethyl-phenyl)-1-(2-((R)-2-hydroxymethyl-pyrrolidin-1-yl)-ethyl)-1H-imidazol-2-yl]-piperidin-1-yl}-5,7-dihydro-pyrrolo[2,3-d]pyrimidin-6-one hydrochloride 1226800-67-4 C28H31F4N7O2*ClH
    4-{4-[4-(4-fluoro-3-trifluoromethyl-phenyl)-1-(2-((R)-2-hydroxymethyl-pyrrolidin-1-yl)-ethyl)-1H-imidazol-2-yl]-piperidin-1-yl}-5,7-dihydro-pyrrolo[2,3-d]pyrimidin-6-one hydrochloride
    —— (4-chlorophenyl)-[3-(4-methoxyphenyl)-[1,2,4]triazolo[3,4-a]phthalazin-6-yl]-amine 897662-78-1 C22H16ClN5O
    (4-chlorophenyl)-[3-(4-methoxyphenyl)-[1,2,4]triazolo[3,4-a]phthalazin-6-yl]-amine
    —— 4-methoxyphenyl O-(2-deoxy-4,6-O-isopropylidene-2-phthalimido-β-D-glucopyranosyl)-(1<*>4)-6-O-levulinoyl-2,3-di-O-p-toluoyl-β-D-glucopyranoside 153984-89-5 C51H53NO17
    4-methoxyphenyl O-(2-deoxy-4,6-O-isopropylidene-2-phthalimido-β-D-glucopyranosyl)-(1<*>4)-6-O-levulinoyl-2,3-di-O-p-toluoyl-β-D-glucopyranoside
    —— [4-methoxy(D3)-4-(3-sulfate-4-chlorophenyl)]spiro[1,2-dioxetane-3,2'-adamantane] 898909-64-3 C18H21ClO5S
    [4-methoxy(D3)-4-(3-sulfate-4-chlorophenyl)]spiro[1,2-dioxetane-3,2'-adamantane]
    —— (4-chlorophenyl)-[2-(2-cyclohexylsulfanylethylsulfanyl)-3-methyl-3H-imidazol-4-yl]methanol 465614-28-2 C19H25ClN2OS2
    (4-chlorophenyl)-[2-(2-cyclohexylsulfanylethylsulfanyl)-3-methyl-3H-imidazol-4-yl]methanol
    —— 4-((1,4-oxazepan-4-yl)methyl)-N-(4-chloro-2-(4-(3,3,3-trifluoropropyl)piperazin-1-yl)phenyl)-2-fluorobenzamide 1436421-00-9 C26H31ClF4N4O2
    4-((1,4-oxazepan-4-yl)methyl)-N-(4-chloro-2-(4-(3,3,3-trifluoropropyl)piperazin-1-yl)phenyl)-2-fluorobenzamide
    —— 4-(4-(9-nitro-3,4,5,6-tetrahydro-2H-imidazo[2,1-b][1,3,6]oxadiazocin-4-carbonyl)piperidin-1-yl)-benzonitrile 1437117-93-5 C20H22N6O4
    4-(4-(9-nitro-3,4,5,6-tetrahydro-2H-imidazo[2,1-b][1,3,6]oxadiazocin-4-carbonyl)piperidin-1-yl)-benzonitrile
    —— 4-(cyclohex-1-en-1-yl)but-3-yne-1,2-diol 1537944-85-6 C10H14O2
    4-(cyclohex-1-en-1-yl)but-3-yne-1,2-diol
    —— 4,6-O-benzylidene-2-O-(chloroacetyl)-3-O-(N-phenylcarbamoyl)-β-D-glucopyranosyl-(1→4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl-(1→4)-3-O-benzyl-2-deoxy-6-O-(p-methoxyphenyl)-2-phthalimido-β-D-glucopyranosyl azide 182924-04-5 C78H71ClN6O20
    4,6-O-benzylidene-2-O-(chloroacetyl)-3-O-(N-phenylcarbamoyl)-β-D-glucopyranosyl-(1→4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl-(1→4)-3-O-benzyl-2-deoxy-6-O-(p-methoxyphenyl)-2-phthalimido-β-D-glucopyranosyl azide
    —— 4-ethyl-7-iodo-4H-1,2,4-benzothiadiazine 1,1-dioxide 945388-05-6 C9H9IN2O2S
    4-ethyl-7-iodo-4H-1,2,4-benzothiadiazine 1,1-dioxide
    —— 4-Methyl-3-phenyl-4-aza-cholestadien-(2.5) 2696-66-4 C33H49N
    4-Methyl-3-phenyl-4-aza-cholestadien-(2.5)
    —— 4-Chlor-3-ethyl-8-methoxy-2-oxo-chinolin 91395-81-2 C12H12ClNO2
    4-Chlor-3-ethyl-8-methoxy-2-oxo-chinolin
    —— (4-bromo-2,6-bis(trifluoromethyl)phenyl)methanol 1263409-67-1 C9H5BrF6O
    (4-bromo-2,6-bis(trifluoromethyl)phenyl)methanol
    —— 4-cyano-1-methyl-1H-pyrrole-2-carboxylic acid 1375961-42-4 C7H6N2O2
    4-cyano-1-methyl-1H-pyrrole-2-carboxylic acid
    —— [4-(2-Bromo-2-cyclopentyl-acetyl)-3-chloro-phenoxy]-acetic acid 4930-72-7 C15H16BrClO4
    [4-(2-Bromo-2-cyclopentyl-acetyl)-3-chloro-phenoxy]-acetic acid
    —— 4-(2-methyl-4-methylthiophenoxy)benzonitrile 1359754-56-5 C15H13NOS
    4-(2-methyl-4-methylthiophenoxy)benzonitrile
    —— 4-Ethoxycarbonyl-5-morpholino-3-methyl-isoxazol 25786-77-0 C11H16N2O4
    4-Ethoxycarbonyl-5-morpholino-3-methyl-isoxazol
    —— 4-Brom-2,5-diphenylthiophen-3(2H)-on-1,1-dioxid 38532-97-7 C16H11BrO3S
    4-Brom-2,5-diphenylthiophen-3(2H)-on-1,1-dioxid
    —— 4,2'-Dijod-2,6,4',6'-tetramethyl-biphenyl 22385-43-9 C16H16I2
    4,2'-Dijod-2,6,4',6'-tetramethyl-biphenyl
    —— (4-benzyl-[1,3,5]triazin-2-yl)-dimethyl-amine 65942-53-2 C12H14N4
    (4-benzyl-[1,3,5]triazin-2-yl)-dimethyl-amine
    —— 4-chloro-8-ethoxy-2-ethyl-2H-triazolo[4,5-g]quinoline 1089197-50-1 C13H13ClN4O
    4-chloro-8-ethoxy-2-ethyl-2H-triazolo[4,5-g]quinoline
    —— (4R,6S,7R)-7-ethyl 4-methyl 6-(naphthalen-1-yl)-5-azaspiro[2.4]heptane-4,7-dicarboxylate 1279107-47-9 C21H23NO4
    (4R,6S,7R)-7-ethyl 4-methyl 6-(naphthalen-1-yl)-5-azaspiro[2.4]heptane-4,7-dicarboxylate
    —— 4-naphthalen-1-yl(1,4-13C2)butanoic acid 342894-20-6 C14H14O2
    4-naphthalen-1-yl(1,4-13C2)butanoic acid
    —— {4-[3-(2-trifluoromethyl-phenothiazin-10-yl)-propyl]-piperazin-1-yl}-acetic acid ethyl ester 47728-37-0 C24H28F3N3O2S
    {4-[3-(2-trifluoromethyl-phenothiazin-10-yl)-propyl]-piperazin-1-yl}-acetic acid ethyl ester
    —— 4-(4-benzylpiperazin-1-yl)-6-(1H-imidazol-1-yl)-N-[4-(4-nitrophenyl)thiazol-2-yl]-1,3,5-triazine-2-amine 1419961-42-4 C26H24N10O2S
    4-(4-benzylpiperazin-1-yl)-6-(1H-imidazol-1-yl)-N-[4-(4-nitrophenyl)thiazol-2-yl]-1,3,5-triazine-2-amine
    —— (4R,5S)-1,5-Dimethyl-4-phenyl-3-((S)-3-phenyl-hexanoyl)-imidazolidin-2-one 139962-48-4 C23H28N2O2
    (4R,5S)-1,5-Dimethyl-4-phenyl-3-((S)-3-phenyl-hexanoyl)-imidazolidin-2-one
    —— (4aR)-2,8-dimethyl-(4ar)-1,2,3,4,4a,9-hexahydro-fluorene-2c,9t,9ac-tricarboxylic acid 101744-13-2 C18H20O6
    (4aR)-2,8-dimethyl-(4ar)-1,2,3,4,4a,9-hexahydro-fluorene-2c,9t,9ac-tricarboxylic acid
    —— 4-(4-Chloro-phenyl)-5-(2-methoxy-phenylazo)-thiazol-2-ylamine 82450-63-3 C16H13ClN4OS
    4-(4-Chloro-phenyl)-5-(2-methoxy-phenylazo)-thiazol-2-ylamine
    —— 4-Cyan-2,5-diphenyl-imidazol 43154-72-9 C16H11N3
    4-Cyan-2,5-diphenyl-imidazol
    —— 4-(4-Methoxy-phenyl)-4-methyl-cyclohexanecarbonitrile 27292-69-9 C15H19NO
    4-(4-Methoxy-phenyl)-4-methyl-cyclohexanecarbonitrile
    —— 4-(6-isopropyl-quinolin-2-yl)-<i>N</i>,<i>N</i>-dimethyl-aniline 30479-23-3 C20H22N2
    4-(6-isopropyl-quinolin-2-yl)-<i>N</i>,<i>N</i>-dimethyl-aniline
    —— 4-Cyano-4-methyl-2-methylene-butyric acid ethyl ester 35299-15-1 C9H13NO2
    4-Cyano-4-methyl-2-methylene-butyric acid ethyl ester
    —— 4,4'-Bis-(cyclopropyl-diphenyl-silyl)-4,4'-dideutero-1,1'-dihydro-biphenyl 70127-21-8 C42H42Si2
    4,4'-Bis-(cyclopropyl-diphenyl-silyl)-4,4'-dideutero-1,1'-dihydro-biphenyl
    —— 4-(1'-methanesulfonyl-1',2',3',6'-tetrahydro-[2,4']bipyridinyl-5-yloxymethyl)-piperidine-1-carboxylic acid tert-butyl ester 1262399-87-0 C22H33N3O5S
    4-(1'-methanesulfonyl-1',2',3',6'-tetrahydro-[2,4']bipyridinyl-5-yloxymethyl)-piperidine-1-carboxylic acid tert-butyl ester