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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-iodomethyl-5-methyl-2-thiophen-2-yloxazole 752212-85-4 C9H8INOS
    4-iodomethyl-5-methyl-2-thiophen-2-yloxazole
    —— 4-chloro-2-trimethylsilylthiazole 106961-39-1 C6H10ClNSSi
    4-chloro-2-trimethylsilylthiazole
    —— 4-amino-6-(4-(1-(2-(azetidin-1-yl)ethyl)-4-(furan-3-yl)-1H-imidazol-2-yl)piperidin-1-yl)pyrimidine-5-carboxamide 1428250-01-4 C22H28N8O2
    4-amino-6-(4-(1-(2-(azetidin-1-yl)ethyl)-4-(furan-3-yl)-1H-imidazol-2-yl)piperidin-1-yl)pyrimidine-5-carboxamide
    —— 4,8-Dichlor-3-formylcumarin 51069-89-7 C10H4Cl2O3
    4,8-Dichlor-3-formylcumarin
    —— 4-Butoxy-4'-butyl-2-methyl-O,N,N-azoxybenzol 55792-77-3 C21H28N2O2
    4-Butoxy-4'-butyl-2-methyl-O,N,N-azoxybenzol
    —— 4-cyano-3a,6a-dimethyl-2,5-dioxo-octahydro-pyrrolo[2,3-<i>b</i>]pyrrole-3-carboxylic acid ethyl ester 58908-83-1 C12H15N3O4
    4-cyano-3a,6a-dimethyl-2,5-dioxo-octahydro-pyrrolo[2,3-<i>b</i>]pyrrole-3-carboxylic acid ethyl ester
    —— 4-amino-7-chloro-2-ethanesulfonyl-quinoline-3-carbaldehyde hydrazone 58785-95-8 C12H13ClN4O2S
    4-amino-7-chloro-2-ethanesulfonyl-quinoline-3-carbaldehyde hydrazone
    —— (4aR,6S,7S,8S,8aS)-8-[2-(5-Benzyloxy-1H-indol-3-yl)-ethylamino]-6-methoxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-ol 56737-92-9 C31H34N2O6
    (4aR,6S,7S,8S,8aS)-8-[2-(5-Benzyloxy-1H-indol-3-yl)-ethylamino]-6-methoxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-ol
    —— 4-(3-methyl-3<i>H</i>-benzothiazol-2-ylidene)-3-methylsulfanyl-2-phenyl-but-2-enenitrile 56185-65-0 C19H16N2S2
    4-(3-methyl-3<i>H</i>-benzothiazol-2-ylidene)-3-methylsulfanyl-2-phenyl-but-2-enenitrile
    —— 4-Acetoxyethyl-deuteroporphyrin-IX-dimethylester 52459-73-1 C36H40N4O6
    4-Acetoxyethyl-deuteroporphyrin-IX-dimethylester
    —— 4-benzo[1,3]dioxol-5-yl-2-(4-bromo-phenyl)-6-naphthalen-2-yl-pyridine 52667-85-3 C28H18BrNO2
    4-benzo[1,3]dioxol-5-yl-2-(4-bromo-phenyl)-6-naphthalen-2-yl-pyridine
    —— 4-[2-(1-methyl-5-nitro-1<i>H</i>-imidazol-4-yl)-vinyl]-benzoic acid 50346-65-1 C13H11N3O4
    4-[2-(1-methyl-5-nitro-1<i>H</i>-imidazol-4-yl)-vinyl]-benzoic acid
    —— 4α-Phenylsulfonyl-flavan 55539-40-7 C21H18O3S
    4α-Phenylsulfonyl-flavan
    —— 4-Bromo-benzoic acid (3S,4R)-4-cyanomethyl-3,4-dihydro-2H-pyran-3-yl ester 51885-33-7 C14H12BrNO3
    4-Bromo-benzoic acid (3S,4R)-4-cyanomethyl-3,4-dihydro-2H-pyran-3-yl ester
    —— 4-acetylamino-1-(6-amino-purin-9-yl)-β-<i>D</i>-1,4-dideoxy-glucopyranose 54112-45-7 C13H18N6O5
    4-acetylamino-1-(6-amino-purin-9-yl)-β-<i>D</i>-1,4-dideoxy-glucopyranose
    —— 4-Acetamido-4-aethyl-1,3-dithiolan-2-thion 54258-35-4 C7H11NOS3
    4-Acetamido-4-aethyl-1,3-dithiolan-2-thion
    —— 4-[5-(4-Bromophenyl)-3-(3-methoxyphenyl)-2-pyrazolin-1-yl]benzenesulfonamide 1222513-26-9 C22H20BrN3O3S
    4-[5-(4-Bromophenyl)-3-(3-methoxyphenyl)-2-pyrazolin-1-yl]benzenesulfonamide
    —— 4-<2-Hydroxy-5-(4-hydroxy-3-methyl-5-nitro)benzyl-3-nitro>benzyl-2-<(2-hydroxy-5-methyl-3-nitro)benzyl>-6-nitrophenol 59920-15-9 C29H24N4O12
    4-<2-Hydroxy-5-(4-hydroxy-3-methyl-5-nitro)benzyl-3-nitro>benzyl-2-<(2-hydroxy-5-methyl-3-nitro)benzyl>-6-nitrophenol
    —— 4-Benzyloxycarbonylamino-4-[1-(1-carbamoyl-2-hydroxy-propylcarbamoyl)-2-ethylcarbamoylsulfanyl-ethylcarbamoyl]-butyric acid tert-butyl ester 49706-04-9 C27H41N5O9S
    4-Benzyloxycarbonylamino-4-[1-(1-carbamoyl-2-hydroxy-propylcarbamoyl)-2-ethylcarbamoylsulfanyl-ethylcarbamoyl]-butyric acid tert-butyl ester
    —— 4-Methyl-1-(2,4,6-trinitro-pyridinium) 69700-97-6 C12H9N4O6
    4-Methyl-1-(2,4,6-trinitro-pyridinium)
    —— 4,6-Diacetoxy-3-(7-acetoxy-6-methoxy-1-oxo-3-pentyl-1H-isochromen-8-yloxy)-2-pentyl-benzoic acid benzyl ester 58912-59-7 C40H44O12
    4,6-Diacetoxy-3-(7-acetoxy-6-methoxy-1-oxo-3-pentyl-1H-isochromen-8-yloxy)-2-pentyl-benzoic acid benzyl ester
    —— (4aS,7aR)-1-Hydroxy-6-(tetrahydro-pyran-2-yloxy)-1,4a,5,6,7,7a-hexahydro-cyclopenta[c]pyran-4-carboxylic acid methyl ester 50427-43-5 C15H22O6
    (4aS,7aR)-1-Hydroxy-6-(tetrahydro-pyran-2-yloxy)-1,4a,5,6,7,7a-hexahydro-cyclopenta[c]pyran-4-carboxylic acid methyl ester
    —— [4-(2-phenylpropan-2-yl)phenyl] N-[4-[[4-[[4-(2-phenylpropan-2-yl)phenoxy]carbonylamino]phenyl]methyl]phenyl]carbamate 1267647-55-1 C45H42N2O4
    [4-(2-phenylpropan-2-yl)phenyl] N-[4-[[4-[[4-(2-phenylpropan-2-yl)phenoxy]carbonylamino]phenyl]methyl]phenyl]carbamate
    —— 4-({7-(cyclopropylmethoxy)-5-methyl-6-oxo-8-[(1E)-prop-1-en-1-yl]-5,6-dihydropyrido[3,2-d]pyrimidin-2-yl}amino)-3-ethoxy-N-(1-methylpiperidin-4-yl)benzamide 1187094-24-1 C30H38N6O4
    4-({7-(cyclopropylmethoxy)-5-methyl-6-oxo-8-[(1E)-prop-1-en-1-yl]-5,6-dihydropyrido[3,2-d]pyrimidin-2-yl}amino)-3-ethoxy-N-(1-methylpiperidin-4-yl)benzamide
    —— 4-amino-2-[5-chloro-3-(2-fluorobenzyl)-1H-indazol-1-yl]-5-methyl-5-phenyl-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one 1350852-36-6 C27H20ClFN6O
    4-amino-2-[5-chloro-3-(2-fluorobenzyl)-1H-indazol-1-yl]-5-methyl-5-phenyl-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one
    —— 4(S)-(benzylthio)pyrrolidine-2(S)-carboxylic acid hydrochloride 78854-26-9 C12H15NO2S*ClH
    4(S)-(benzylthio)pyrrolidine-2(S)-carboxylic acid hydrochloride
    —— [4-amino-2-(4-[1,4']bipiperidinyl-1'-yl-phenylamino)-thiazol-5-yl]-(3-hydroxy-phenyl)-methanone 867291-93-8 C26H31N5O2S
    [4-amino-2-(4-[1,4']bipiperidinyl-1'-yl-phenylamino)-thiazol-5-yl]-(3-hydroxy-phenyl)-methanone
    —— 4-[(3R)-1-azabicyclo[2.2.2]oct-3-ylamino]-3-(1H-benzimidazol-2-yl)-2-oxo-1,2-dihydroquinoline-7-carboxamide 668426-24-2 C24H24N6O2
    4-[(3R)-1-azabicyclo[2.2.2]oct-3-ylamino]-3-(1H-benzimidazol-2-yl)-2-oxo-1,2-dihydroquinoline-7-carboxamide
    —— 4-butyltetrahydro-2H-pyran-4-ol 90677-03-5 C9H18O2
    4-butyltetrahydro-2H-pyran-4-ol
    —— 4-fluoro-2-pentylphenylamine 929560-02-1 C11H16FN
    4-fluoro-2-pentylphenylamine
    —— 4.6-Dibrom-hemimellitsaeure 22516-53-6 C9H4Br2O6
    4.6-Dibrom-hemimellitsaeure
    —— 4-chloro-5-[4-(3-chloro-benzyl)-piperazin-1-yl]-benzofuran-2-carboxylic acid 1192170-89-0 C20H18Cl2N2O3
    4-chloro-5-[4-(3-chloro-benzyl)-piperazin-1-yl]-benzofuran-2-carboxylic acid
    —— 4-(3,3-difluoropyrrolidin-1-yl)-pyridine-2-carboxylic acid benzylhydroxyamide hydrochloride 1431469-36-1 C17H17F2N3O2*ClH
    4-(3,3-difluoropyrrolidin-1-yl)-pyridine-2-carboxylic acid benzylhydroxyamide hydrochloride
    —— 4-(tert-butyl)-2-(5-methylpyridin-2-yl)phenol 1609654-42-3 C16H19NO
    4-(tert-butyl)-2-(5-methylpyridin-2-yl)phenol
    —— 4-(4,4'-dibromo-stilben-α-yl)-anisole 115096-73-6 C21H16Br2O
    4-(4,4'-dibromo-stilben-α-yl)-anisole
    —— 4-pentenyl 2-deoxy-2-trichloroacetylamino-6-O-triisopropylsilyl-β-D-glucopyranoside 503181-19-9 C22H40Cl3NO6Si
    4-pentenyl 2-deoxy-2-trichloroacetylamino-6-O-triisopropylsilyl-β-D-glucopyranoside
    —— 4-(4-methylpiperazin-1-yl)pyridine-2-carboxylic acid benzylhydroxyamide 1431469-45-2 C18H22N4O2
    4-(4-methylpiperazin-1-yl)pyridine-2-carboxylic acid benzylhydroxyamide
    —— (4-methanesulfonyl-phenyl)-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-3,8-diaza-bicyclo[3.2.1]oct-8-yl]-methanone 1261357-62-3 C20H21N5O3S
    (4-methanesulfonyl-phenyl)-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-3,8-diaza-bicyclo[3.2.1]oct-8-yl]-methanone
    —— 4-[5-(4-methoxy-3-methylphenyl)pyridin-3-yl]-1,4-diazatricyclo[4.3.1.1(3,8)]undecane 1258934-10-9 C22H27N3O
    4-[5-(4-methoxy-3-methylphenyl)pyridin-3-yl]-1,4-diazatricyclo[4.3.1.1(3,8)]undecane
    —— (4aR,6R,8aS)-8a-(2,4-difluorophenyl)-6-(3-fluoro-5-methylphenyl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-amine 1622328-03-3 C20H19F3N2OS
    (4aR,6R,8aS)-8a-(2,4-difluorophenyl)-6-(3-fluoro-5-methylphenyl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-amine
    —— 4-methoxyphenyl (2,3,4-tri-O-benzyl-α-D-rhamnopyranosyl)-(1→3)-4-O-acetyl-2-O-benzyl-α-L-fucopyranoside 1628073-56-2 C49H54O11
    4-methoxyphenyl (2,3,4-tri-O-benzyl-α-D-rhamnopyranosyl)-(1→3)-4-O-acetyl-2-O-benzyl-α-L-fucopyranoside
    —— 4-[5-(5-amino-3-nitro-1,2,4-triazol-1-yl)-3-nitro-1,2,4-triazol-1-yl]butan-2-one 224033-26-5 C8H9N9O5
    4-[5-(5-amino-3-nitro-1,2,4-triazol-1-yl)-3-nitro-1,2,4-triazol-1-yl]butan-2-one
    —— (4bS,8aS,9S)-11-methyl-3-(p-tolyl)-6,7,8,8a,9,10-hexahydro-5H-9,4b-(epiminoethano)phenanthrene 1078152-04-1 C24H29N
    (4bS,8aS,9S)-11-methyl-3-(p-tolyl)-6,7,8,8a,9,10-hexahydro-5H-9,4b-(epiminoethano)phenanthrene
    —— 4-dodecyloxy-4'-(4-hydroxybutoxy)biphenyl 176856-63-6 C28H42O3
    4-dodecyloxy-4'-(4-hydroxybutoxy)biphenyl
    —— (4aR,7aR,12bR)-11-bromo-3-tosyl-1,2,3,4,4a,5,7a,8-octahydropyrido[3,4-d]carbazol-6(7H)-one 1334535-25-9 C22H23BrN2O3S
    (4aR,7aR,12bR)-11-bromo-3-tosyl-1,2,3,4,4a,5,7a,8-octahydropyrido[3,4-d]carbazol-6(7H)-one
    —— 4,6-dimethyl-5-[2]naphthylazo-5-nitro-2-phenyl-[1,3]dioxane 110330-46-6 C22H21N3O4
    4,6-dimethyl-5-[2]naphthylazo-5-nitro-2-phenyl-[1,3]dioxane
    —— 4,5-dicarba-3,6-diduryl-4,5-diisopropyl-2-thia-nido-hexaborane(5) 355117-50-9 C28H41B3S
    4,5-dicarba-3,6-diduryl-4,5-diisopropyl-2-thia-nido-hexaborane(5)
    —— <4-Fluor-phenyl>-trifluormethyl-selenon 21506-27-4 C7H4F4O2Se
    <4-Fluor-phenyl>-trifluormethyl-selenon
    —— (+)-4,5-dihydroxy-5-(hydroxymethyl)-2-phenylethynyl-2-cyclopentenone 1042925-96-1 C14H12O4
    (+)-4,5-dihydroxy-5-(hydroxymethyl)-2-phenylethynyl-2-cyclopentenone
    —— 4-Oxo-1,3-diphenyl-2,3-cyclopentano-3,4-dihydro-naphthalin 1473-51-4 C25H20O
    4-Oxo-1,3-diphenyl-2,3-cyclopentano-3,4-dihydro-naphthalin