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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,4,5,5-tetramethyl-2-[(2-methyloxan-4-ylidene)methyl]-1,3,2-dioxaborolane 2246499-80-7 C13H23BO3
    4,4,5,5-tetramethyl-2-[(2-methyloxan-4-ylidene)methyl]-1,3,2-dioxaborolane
    —— 4-Hydroxy-2-methylthiomethylthiazol 38174-35-5 C5H7NOS2
    4-Hydroxy-2-methylthiomethylthiazol
    —— 4-Trichlormethyl-5-methylpyrimidin 98138-89-7 C6H5Cl3N2
    4-Trichlormethyl-5-methylpyrimidin
    —— 4-(N-(6-methylpyridin-2-yl)sulfamoyl)benzoyl chloride 1602529-58-7 C13H11ClN2O3S
    4-(N-(6-methylpyridin-2-yl)sulfamoyl)benzoyl chloride
    —— (4-chlorophenyl)(diethoxyphosphoryl)methyl benzoate 1126394-41-9 C18H20ClO5P
    (4-chlorophenyl)(diethoxyphosphoryl)methyl benzoate
    —— 4-[(2R,6S)-2,6-Dimethylmorpholin-4-yl]-3-(trifluoromethyl)aniline 1921246-82-3 C13H17F3N2O
    4-[(2R,6S)-2,6-Dimethylmorpholin-4-yl]-3-(trifluoromethyl)aniline
    —— 4-tosyloxy-1,1,2-triphenyl-1-butene 89777-97-9 C29H26O3S
    4-tosyloxy-1,1,2-triphenyl-1-butene
    —— 4-Methoxy-N-(5-methyl-isoxazol-3-yl)-benzimidoyl chloride 109300-37-0 C12H11ClN2O2
    4-Methoxy-N-(5-methyl-isoxazol-3-yl)-benzimidoyl chloride
    —— 4-(2,2-dimethyl-1,1-dioxo-4-phenyl-1λ<sup>6</sup>-thietan-3-yl)-morpholine 864174-07-2 C15H21NO3S
    4-(2,2-dimethyl-1,1-dioxo-4-phenyl-1λ<sup>6</sup>-thietan-3-yl)-morpholine
    —— [4-(3-dimethylamino-pyrrolidin-1-yl)-6-(2,2,2-trifluoro-ethoxy)-[1,3,5]triazin-2-yl]-(4-fluoro-benzyl)-amine 1174125-13-3 C18H22F4N6O
    [4-(3-dimethylamino-pyrrolidin-1-yl)-6-(2,2,2-trifluoro-ethoxy)-[1,3,5]triazin-2-yl]-(4-fluoro-benzyl)-amine
    —— 4,4''-dibromo-[1,1':4',1''-terphenyl]-2',5'-diol 97479-25-9 C18H12Br2O2
    4,4''-dibromo-[1,1':4',1''-terphenyl]-2',5'-diol
    —— 4-Imino-1,7-dihydropyrazolo[3,4-d][1,3]thiazine-6-thione; pyridine 13515-03-2 C10H9N5S2
    4-Imino-1,7-dihydropyrazolo[3,4-d][1,3]thiazine-6-thione; pyridine
    —— 4,4'-(4-nitro-phenylphosphonoyldiamino)-di-benzoic acid diethyl ester 500586-32-3 C24H24N3O7P
    4,4'-(4-nitro-phenylphosphonoyldiamino)-di-benzoic acid diethyl ester
    —— 4-oxaheptacyclo[13.10.2.02,6.07,27.09,14.018,26.019,24]heptacosa-1(25),2(6),7,9,11,13,15(27),16,18(26),19,21,23-dodecaene-3,5-dione 50472-39-4 C26H12O3
    4-oxaheptacyclo[13.10.2.02,6.07,27.09,14.018,26.019,24]heptacosa-1(25),2(6),7,9,11,13,15(27),16,18(26),19,21,23-dodecaene-3,5-dione
    —— 4-Cyclohexyl-3-(4-methoxyphenyl)-5-(4-pyridin-4-yl-1,3-thiazol-2-yl)-1,4-dihydropyrrolo[3,4-c]pyrazol-6-one 1067184-07-9 C26H25N5O2S
    4-Cyclohexyl-3-(4-methoxyphenyl)-5-(4-pyridin-4-yl-1,3-thiazol-2-yl)-1,4-dihydropyrrolo[3,4-c]pyrazol-6-one
    —— 4-(4-fluorophenyl)-6-phenyl-1-tosyl-2,5-dihydro-1H-azepine 1638238-86-4 C25H22FNO2S
    4-(4-fluorophenyl)-6-phenyl-1-tosyl-2,5-dihydro-1H-azepine
    —— 4-benzyl-2,3,3a,4-tetrahydro-3a-(4-isopropylphenyl)pyrrolo[1,2-a]quinazoline-1,5-dione 1627186-18-8 C27H26N2O2
    4-benzyl-2,3,3a,4-tetrahydro-3a-(4-isopropylphenyl)pyrrolo[1,2-a]quinazoline-1,5-dione
    —— 4-[(benzyl{[1-butyl-4-(4-fluorophenyl)-2-phenyl-1H-imidazol-5-yl]methyl}amino)methyl]-3-chlorophenol 439570-68-0 C34H33ClFN3O
    4-[(benzyl{[1-butyl-4-(4-fluorophenyl)-2-phenyl-1H-imidazol-5-yl]methyl}amino)methyl]-3-chlorophenol
    —— (4-chlorophenyl)(pyridin-3-yl)acetic acid 1509924-99-5 C13H10ClNO2
    (4-chlorophenyl)(pyridin-3-yl)acetic acid
    —— 4-MeC6H4B(OCH2)2C(CH3)CH2OH 1014716-63-2 C12H17BO3
    4-MeC6H4B(OCH2)2C(CH3)CH2OH
    —— 4-ethylaminothieno[3,2-d]pyrimidine-7-carboxylic acid [2,6-dichloro-3-(propane-1-sulfonylamino)phenyl]amide 1269666-93-4 C18H19Cl2N5O3S2
    4-ethylaminothieno[3,2-d]pyrimidine-7-carboxylic acid [2,6-dichloro-3-(propane-1-sulfonylamino)phenyl]amide
    —— 4-bromo-1-(cyclopropylmethyl)-5-({3-[(3,3-difluoropyrrolidin-1-yl)methyl]pyridin-2-yl}oxy)-1H-benzotriazole 1268312-67-9 C20H20BrF2N5O
    4-bromo-1-(cyclopropylmethyl)-5-({3-[(3,3-difluoropyrrolidin-1-yl)methyl]pyridin-2-yl}oxy)-1H-benzotriazole
    —— 4-(3-{[6-(4-chloro-2-methyl-1H-imidazol-1-yl)pyridin-3-yl]methyl}-4,4-dimethyl-5-oxo-2-thioxoimidazolidin-1-yl)-2-(trifluoromethyl)benzonitrile 1274893-25-2 C23H18ClF3N6OS
    4-(3-{[6-(4-chloro-2-methyl-1H-imidazol-1-yl)pyridin-3-yl]methyl}-4,4-dimethyl-5-oxo-2-thioxoimidazolidin-1-yl)-2-(trifluoromethyl)benzonitrile
    —— 4-[4,4-dimethyl-5-oxo-3-({6-[2-(2-oxoimidazolidin-1-yl)ethoxy]pyridin-3-yI}methyl)-2-thioxoimidazolidin-1-yl]-2-(trifluoromethyl)benzonitrile 1274893-53-6 C24H23F3N6O3S
    4-[4,4-dimethyl-5-oxo-3-({6-[2-(2-oxoimidazolidin-1-yl)ethoxy]pyridin-3-yI}methyl)-2-thioxoimidazolidin-1-yl]-2-(trifluoromethyl)benzonitrile
    —— 4-(3-Methylbut-3-en-1-yl)guajakol 101511-26-6 C12H16O2
    4-(3-Methylbut-3-en-1-yl)guajakol
    —— 4-(2-bromo-crotonoyl)-morpholine 462116-59-2 C8H12BrNO2
    4-(2-bromo-crotonoyl)-morpholine
    —— [4-(2-Methoxyethoxymethoxymethyl)phenyl]methyl acetate 1185742-88-4 C14H20O5
    [4-(2-Methoxyethoxymethoxymethyl)phenyl]methyl acetate
    —— 4,4'-Bis-(3-methyl-4-amino-phenoxy)-diphenylsulfon 30203-14-6 C26H24N2O4S
    4,4'-Bis-(3-methyl-4-amino-phenoxy)-diphenylsulfon
    —— 4-amino-1-(2,2-difluoroethyl)-1H-pyrazole-3-carboxamide 1699683-25-4 C6H8F2N4O
    4-amino-1-(2,2-difluoroethyl)-1H-pyrazole-3-carboxamide
    —— 4'-(6-decyloxy-1,2,3,4-tetrahydro-2-naphthalenecarbonyloxy)-3-fluoro-4-biphenyl carboxylic acid 263745-65-9 C34H39FO5
    4'-(6-decyloxy-1,2,3,4-tetrahydro-2-naphthalenecarbonyloxy)-3-fluoro-4-biphenyl carboxylic acid
    —— 4-(2,4-dichlorophenyl)-3-(hydroxymethyl)-2-methyl-6-phenyl-5,6-dihydropyrrolo[3,4-b]pyridin-7-one 915296-92-3 C21H16Cl2N2O2
    4-(2,4-dichlorophenyl)-3-(hydroxymethyl)-2-methyl-6-phenyl-5,6-dihydropyrrolo[3,4-b]pyridin-7-one
    —— 4-[6-(1-Methyltetrazol-5-yl)-1,3-dioxobenzo[de]isoquinolin-2-yl]butanoic acid 1134085-11-2 C18H15N5O4
    4-[6-(1-Methyltetrazol-5-yl)-1,3-dioxobenzo[de]isoquinolin-2-yl]butanoic acid
    —— 4-(2-chloro-4-fluorophenyl)-1-(2-(piperidin-1-yl)ethyl)-1H-pyrazolo[3,4-d]pyrimidine 1610340-18-5 C18H19ClFN5
    4-(2-chloro-4-fluorophenyl)-1-(2-(piperidin-1-yl)ethyl)-1H-pyrazolo[3,4-d]pyrimidine
    —— 4-(2-chloro-7H-purin-6-yl)benzonitrile 930297-91-9 C12H6ClN5
    4-(2-chloro-7H-purin-6-yl)benzonitrile
    —— (4-cyclohexyl-piperazin-1-yl)-[2-(4-methyl-benzoyl)-1,2,3,4-tetrahydro-isoquinolin-6-yl]-methanone 1055946-35-4 C28H35N3O2
    (4-cyclohexyl-piperazin-1-yl)-[2-(4-methyl-benzoyl)-1,2,3,4-tetrahydro-isoquinolin-6-yl]-methanone
    —— 4,5,6,7,7-Pentachlor-heptatrien-(2t,4c,5)-saeure 27767-65-3 C7H3Cl5O2
    4,5,6,7,7-Pentachlor-heptatrien-(2t,4c,5)-saeure
    —— (4R,5R)-2-(acetoxymethyl)-5-(4-chloro-5-cyano-7H-pyrrolo[2,3-d]pyrimidin-7-yl)tetrahydrofuran-3,4-diyl diacetate 1256339-09-9 C18H17ClN4O7
    (4R,5R)-2-(acetoxymethyl)-5-(4-chloro-5-cyano-7H-pyrrolo[2,3-d]pyrimidin-7-yl)tetrahydrofuran-3,4-diyl diacetate
    —— 4-(4-Fluorophenyl)-2-methylisoquinolin-2-ium;iodide 1353555-52-8 C16H13FN*I
    4-(4-Fluorophenyl)-2-methylisoquinolin-2-ium;iodide
    —— 4-acetoxymethyl-1-{3-chloro-4-[2-(5-methyl-1(3)<i>H</i>-benzoimidazol-2-yl)-vinyl]-phenyl}-1<i>H</i>-[1,2,3]triazole 16781-22-9 C21H18ClN5O2
    4-acetoxymethyl-1-{3-chloro-4-[2-(5-methyl-1(3)<i>H</i>-benzoimidazol-2-yl)-vinyl]-phenyl}-1<i>H</i>-[1,2,3]triazole
    —— 4-benzyl 1-tert-butyl 2-[4-(isopentyloxy)phenyl]succinate 845786-07-4 C26H34O5
    4-benzyl 1-tert-butyl 2-[4-(isopentyloxy)phenyl]succinate
    —— 4-chlorobenzyl (chloro(naphthalen-1-yloxy)phosphoryl)-L-valinate 1234489-25-8 C22H22Cl2NO4P
    4-chlorobenzyl (chloro(naphthalen-1-yloxy)phosphoryl)-L-valinate
    —— (+/-)-4-Oxo-2-phenyl-chroman-carbonsaeure-(6)-nitril 3034-02-4 C16H11NO2
    (+/-)-4-Oxo-2-phenyl-chroman-carbonsaeure-(6)-nitril
    —— 4-acetyl-3-hydroxy-1,2-dihydroanthraquinone 203377-40-6 C16H12O4
    4-acetyl-3-hydroxy-1,2-dihydroanthraquinone
    —— 4,5-Dihydro-4-(methylamino-β-aminoethyl)-3-phenylisoxazol-5-on 134141-06-3 C12H15N3O2
    4,5-Dihydro-4-(methylamino-β-aminoethyl)-3-phenylisoxazol-5-on
    —— 4-thia-5-androsten-3α,17β-diol 87126-31-6 C18H28O2S
    4-thia-5-androsten-3α,17β-diol
    —— 4-<1,2-dideoxy-1-(thymin-1-yl)-β-D-ribofuranuronamido>-O-(4,4'-dimethoxytrityl) ethanol 153765-12-9 C33H35N3O8
    4-<1,2-dideoxy-1-(thymin-1-yl)-β-D-ribofuranuronamido>-O-(4,4'-dimethoxytrityl) ethanol
    —— 4-[8-(6-BOC-aminohexanoylaminomethyl)imidazo[1,2-a]-pyridin-2-yl]benzoic acid 171178-12-4 C26H32N4O5
    4-[8-(6-BOC-aminohexanoylaminomethyl)imidazo[1,2-a]-pyridin-2-yl]benzoic acid
    —— 4-(3H-1,3-benzothiazol-2-ylidene)-5-imino-1-[(2-methoxyphenyl)methyl]pyrrolidin-2-one 6579-67-5 C19H17N3O2S
    4-(3H-1,3-benzothiazol-2-ylidene)-5-imino-1-[(2-methoxyphenyl)methyl]pyrrolidin-2-one
    —— 4-(4-methoxy-4-(2-methylbenzyl)-1-piperidinyl)-N'-((3-nitro-4-((2-(phenylsulfanyl)ethyl)amino)phenyl)sulfonyl)benzenecarboximidamide 870812-10-5 C35H39N5O5S2
    4-(4-methoxy-4-(2-methylbenzyl)-1-piperidinyl)-N'-((3-nitro-4-((2-(phenylsulfanyl)ethyl)amino)phenyl)sulfonyl)benzenecarboximidamide
    —— 4-(2-(1-(1-methylpiperidin-4-yl)-1H-pyrazol-4-ylamino)-[1,2,4]triazolo[1,5-a]pyridin-8-yl)benzonitrile 1202618-57-2 C22H22N8
    4-(2-(1-(1-methylpiperidin-4-yl)-1H-pyrazol-4-ylamino)-[1,2,4]triazolo[1,5-a]pyridin-8-yl)benzonitrile