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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Methoxy-7-acetoxymethyl-fluoren-9-one 221906-73-6 C17H14O4
    4-Methoxy-7-acetoxymethyl-fluoren-9-one
    —— 4-Acetyl-pimelinsaeure-dimethylester 13984-54-8 C11H18O5
    4-Acetyl-pimelinsaeure-dimethylester
    —— 4-phenyl-[2,2']bipyrimidinyl-5-carboxylic acid 311340-90-6 C15H10N4O2
    4-phenyl-[2,2']bipyrimidinyl-5-carboxylic acid
    —— 4-(4-Fluorophenyl)-5-(2-methylthiopyrimidin-4-yl)oxazole 742078-84-8 C14H10FN3OS
    4-(4-Fluorophenyl)-5-(2-methylthiopyrimidin-4-yl)oxazole
    —— 4-chlorobutyl 4,4,5,5,5-pentafluoropentyl sulphide 199730-57-9 C9H14ClF5S
    4-chlorobutyl 4,4,5,5,5-pentafluoropentyl sulphide
    —— 4-(4-fluorophenoxy)thiophenol 193022-94-5 C12H9FOS
    4-(4-fluorophenoxy)thiophenol
    —— 4-(4-fluorophenyl)-2-(4methylthiophenyl)-5-(pyridin-4-yl)oxazole 166895-10-9 C21H15FN2OS
    4-(4-fluorophenyl)-2-(4methylthiophenyl)-5-(pyridin-4-yl)oxazole
    —— (4-Ethenyl-3-hydroxy-2,4,7,14-tetramethyl-9-oxo-6-tricyclo[5.4.3.01,8]tetradecanyl) 2-[1-[(2-amino-3-methylbutanoyl)amino]-2-methylpropan-2-yl]sulfanylacetate;hydrochloride 133868-46-9 C31H53ClN2O5S
    (4-Ethenyl-3-hydroxy-2,4,7,14-tetramethyl-9-oxo-6-tricyclo[5.4.3.01,8]tetradecanyl) 2-[1-[(2-amino-3-methylbutanoyl)amino]-2-methylpropan-2-yl]sulfanylacetate;hydrochloride
    —— 4-[(4-Cyanophenoxy)carbonyl]phenyl 4-butylbenzoate 82414-65-1 C25H21NO4
    4-[(4-Cyanophenoxy)carbonyl]phenyl 4-butylbenzoate
    —— 4-Nitro-N,N-bis[(oxiran-2-yl)methyl]aniline 128611-14-3 C12H14N2O4
    4-Nitro-N,N-bis[(oxiran-2-yl)methyl]aniline
    —— 4-cyclopentyl-3-oxopiperazin-1-ium trifluoroacetate 1154868-75-3 C2HF3O2*C9H16N2O
    4-cyclopentyl-3-oxopiperazin-1-ium trifluoroacetate
    —— 4,5-dihydro-1-(3-methoxy-α-methylbenzyl)-7-(5-pyrimidinylmethoxy)-[1H]-benz[g]indazole-3-carboxylic acid 219705-72-3 C26H24N4O4
    4,5-dihydro-1-(3-methoxy-α-methylbenzyl)-7-(5-pyrimidinylmethoxy)-[1H]-benz[g]indazole-3-carboxylic acid
    —— 4-(4-Butylphenyl)morpholine 564483-41-6 C14H21NO
    4-(4-Butylphenyl)morpholine
    —— 4-methyl-2-<i>o</i>-tolyl-2<i>H</i>-benzotriazole-1-oxide 107920-93-4 C14H13N3O
    4-methyl-2-<i>o</i>-tolyl-2<i>H</i>-benzotriazole-1-oxide
    —— 4-(4-n-pentylbenzoyloxy)benzoic acid-4'-n-pentylphenyl ester 41161-52-8 C30H34O4
    4-(4-n-pentylbenzoyloxy)benzoic acid-4'-n-pentylphenyl ester
    —— 4-methyl-2-<i>m</i>-tolyl-2<i>H</i>-benzotriazole-1-oxide 107920-94-5 C14H13N3O
    4-methyl-2-<i>m</i>-tolyl-2<i>H</i>-benzotriazole-1-oxide
    —— 4-[(2R,4R,5R,6R)-2,6-dibutyl-5-methyl-1,3-dioxan-4-yl]-2-methoxyphenol 104789-96-0 C20H32O4
    4-[(2R,4R,5R,6R)-2,6-dibutyl-5-methyl-1,3-dioxan-4-yl]-2-methoxyphenol
    —— 4-amino-6-(trifluoromethyl)picolinic acid 1060810-73-2 C7H5F3N2O2
    4-amino-6-(trifluoromethyl)picolinic acid
    —— (4aS,8aS)-Octahydro-benzo[d][1,2]dithiine 2-oxide 72360-73-7 C8H14OS2
    (4aS,8aS)-Octahydro-benzo[d][1,2]dithiine 2-oxide
    —— 4-[[5-(2-Chlorophenyl)-1,3,4-thiadiazol-2-yl]oxy]phenol 138426-30-9 C14H9ClN2O2S
    4-[[5-(2-Chlorophenyl)-1,3,4-thiadiazol-2-yl]oxy]phenol
    —— 4-(2-hydroxy-1-methylethyl)-N-(3-methylbutyl)-1-piperidinebutanamide 141060-13-1 C17H34N2O2
    4-(2-hydroxy-1-methylethyl)-N-(3-methylbutyl)-1-piperidinebutanamide
    —— 4-Aminobenzoic acid;2-methylnaphthalene-1,4-dione 651031-68-4 C18H15NO4
    4-Aminobenzoic acid;2-methylnaphthalene-1,4-dione
    —— {4-[2-(4-Ethoxyphenyl)ethyl]-2,6-difluorophenyl}boronic acid 138525-75-4 C16H17BF2O3
    {4-[2-(4-Ethoxyphenyl)ethyl]-2,6-difluorophenyl}boronic acid
    —— 4-[1,3,4]oxadiazol-2-yl-piperidine-1-carboxylic acid tert-butyl ester 1419075-88-9 C12H19N3O3
    4-[1,3,4]oxadiazol-2-yl-piperidine-1-carboxylic acid tert-butyl ester
    —— <4R,5R,6S>-6-(t-butyldimethylsilyloxy)-2-<(2R,5R)-2,5-dimethylpyrrolidine-1-carbonyl>-tetrahydro-2H-1,2-oxazine-4,5-diol 139391-80-3 C17H34N2O5Si
    <4R,5R,6S>-6-(t-butyldimethylsilyloxy)-2-<(2R,5R)-2,5-dimethylpyrrolidine-1-carbonyl>-tetrahydro-2H-1,2-oxazine-4,5-diol
    —— 4-Chloro-2-fluorobenzene-1-diazonium 64172-77-6 C6H3ClFN2+
    4-Chloro-2-fluorobenzene-1-diazonium
    —— 4-Hydroxy-5-oxopentanoic acid 99419-40-6 C5H8O4
    4-Hydroxy-5-oxopentanoic acid
    —— 4-Thioxanthen-9-ylidenepiperidine;hydrochloride 138248-27-8 C18H18ClNS
    4-Thioxanthen-9-ylidenepiperidine;hydrochloride
    —— 4-[(4-Cyanophenoxy)carbonyl]phenyl 4-(hexyloxy)benzoate 63565-79-7 C27H25NO5
    4-[(4-Cyanophenoxy)carbonyl]phenyl 4-(hexyloxy)benzoate
    —— (4-Isothiocyanatophenyl)boronic acid 141817-11-0 C7H6BNO2S
    (4-Isothiocyanatophenyl)boronic acid
    —— 4,26-Dimethyl-3,7,11,15,19,23,27,31-octaoxatricyclo[27.3.0.013,17]dotriaconta-1(32),13,16,29-tetraene-2,12,18,28-tetrone 96357-04-9 C26H32O12
    4,26-Dimethyl-3,7,11,15,19,23,27,31-octaoxatricyclo[27.3.0.013,17]dotriaconta-1(32),13,16,29-tetraene-2,12,18,28-tetrone
    —— 4-(Dimethylamino)-1-(pyridin-3-YL)butan-1-one 76030-53-0 C11H16N2O
    4-(Dimethylamino)-1-(pyridin-3-YL)butan-1-one
    —— 4-Aminoocta-5,6-dienoic acid 89017-59-4 C8H13NO2
    4-Aminoocta-5,6-dienoic acid
    —— 4-amino-5,6-octadienoic acid —— C8H13NO2
    4-amino-5,6-octadienoic acid
    —— 4-butoxy-N,N-dimethylbenzamide 67024-50-4 C13H19NO2
    4-butoxy-N,N-dimethylbenzamide
    —— 4-(13-Sulfanylidene-12,14-dioxa-13lambda5-phosphapentacyclo[13.8.0.02,11.03,8.018,23]tricosa-1(15),2(11),3,5,7,9,16,18,20,22-decaen-13-yl)morpholine 130557-69-6 C24H20NO3PS
    4-(13-Sulfanylidene-12,14-dioxa-13lambda5-phosphapentacyclo[13.8.0.02,11.03,8.018,23]tricosa-1(15),2(11),3,5,7,9,16,18,20,22-decaen-13-yl)morpholine
    —— 4-[(2R,4R,5S,6R)-2,6-dibutyl-5-methyl-1,3-dioxan-4-yl]-2-methoxyphenol 104789-96-0 C20H32O4
    4-[(2R,4R,5S,6R)-2,6-dibutyl-5-methyl-1,3-dioxan-4-yl]-2-methoxyphenol
    —— (4-Phenyl-piperazin-1-yl)-phosphonic acid dimethyl ester 89504-63-2 C12H19N2O3P
    (4-Phenyl-piperazin-1-yl)-phosphonic acid dimethyl ester
    —— 4-Oxepanon-ethylenketal 62643-22-5 C8H14O3
    4-Oxepanon-ethylenketal
    —— 4,4-dimethylthiane 1-oxide 31815-15-3 C7H14OS
    4,4-dimethylthiane 1-oxide
    —— [4-(Cyclopropylmethylidene)cyclohexa-2,5-dien-1-ylidene]-methyloxidanium 15810-27-2 C11H13O
    [4-(Cyclopropylmethylidene)cyclohexa-2,5-dien-1-ylidene]-methyloxidanium
    —— [4-(2-Cyclohexyl-ethyl)-piperazin-1-yl]-phosphonic acid dimethyl ester 89504-61-0 C14H29N2O3P
    [4-(2-Cyclohexyl-ethyl)-piperazin-1-yl]-phosphonic acid dimethyl ester
    —— 4-Fluoro-1,3-dihydrobenzo[c]thiophene 2,2-dioxide 58325-16-9 C8H7FO2S
    4-Fluoro-1,3-dihydrobenzo[c]thiophene 2,2-dioxide
    —— 4,7-dihydroxy-2-methoxy-9,10-dihydrophenanthrene 70205-56-0 C14H10O3
    4,7-dihydroxy-2-methoxy-9,10-dihydrophenanthrene
    —— 4-Chloro-3-(methylsulfanyl)-1,3-dihydro-2H-indol-2-one 61394-54-5 C9H8ClNOS
    4-Chloro-3-(methylsulfanyl)-1,3-dihydro-2H-indol-2-one
    —— 4-Chloro-3-methyl-3-(methylsulfanyl)-1,3-dihydro-2H-indol-2-one 61394-69-2 C10H10ClNOS
    4-Chloro-3-methyl-3-(methylsulfanyl)-1,3-dihydro-2H-indol-2-one
    —— [4-(2-Bicyclo[2.2.2]octanylidene)cyclohexa-2,5-dien-1-ylidene]-methyloxidanium 53600-78-5 C15H19O
    [4-(2-Bicyclo[2.2.2]octanylidene)cyclohexa-2,5-dien-1-ylidene]-methyloxidanium
    —— 4-(2-Methyl-1-propenylidene)bicyclo[3.2.1]octa-2,6-diene 62025-02-9 C12H14
    4-(2-Methyl-1-propenylidene)bicyclo[3.2.1]octa-2,6-diene
    —— (4-Nitrophenyl)methylidene-dioxidoazanium 66291-19-8 C7H5N2O4
    (4-Nitrophenyl)methylidene-dioxidoazanium
    —— (4aS,5R,6R)-5-Ethyl-6-hydroxy-4,4a,5,6-tetrahydro-3H-pyrano[3,4-c]pyran-1-one 93711-16-1 C10H14O4
    (4aS,5R,6R)-5-Ethyl-6-hydroxy-4,4a,5,6-tetrahydro-3H-pyrano[3,4-c]pyran-1-one