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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-fluoropyrazole-3-carboxylic acid 881668-91-3 C4H3FN2O2
    4-fluoropyrazole-3-carboxylic acid
    —— 4-Phenylsulfanylmethyl-thiophene-3-carboxylic acid 114935-96-5 C12H10O2S2
    4-Phenylsulfanylmethyl-thiophene-3-carboxylic acid
    —— 4-methyl-2-ethoxy-1,3-dioxolane 61562-03-6 C6H12O3
    4-methyl-2-ethoxy-1,3-dioxolane
    —— 4-(3-Allyloxy-phenyl)-piperazine-1-carboxylic acid tert-butyl ester 882695-51-4 C18H26N2O3
    4-(3-Allyloxy-phenyl)-piperazine-1-carboxylic acid tert-butyl ester
    —— 4-formyl-2-(p-methylphenyl)-1,4-benzothiazine 140935-29-1 C16H13NOS
    4-formyl-2-(p-methylphenyl)-1,4-benzothiazine
    —— 4-chloro-7-[2-C-methyl-3,5-bis-O-(2,4-dichlorophenylmethyl)-β-D-ribofuranosyl]-5-(2-hydroxyethyl)-7H-pyrrolo[2,3-d]pyrimidine 847551-06-8 C28H26Cl5N3O5
    4-chloro-7-[2-C-methyl-3,5-bis-O-(2,4-dichlorophenylmethyl)-β-D-ribofuranosyl]-5-(2-hydroxyethyl)-7H-pyrrolo[2,3-d]pyrimidine
    —— (4-chloro-N-(naphthalen-1-ylmethyl)-5-(3-(piperazin-1-yl) phenoxy)thiophene-2-sulfonamide) 1261576-81-1 C25H24ClN3O3S2
    (4-chloro-N-(naphthalen-1-ylmethyl)-5-(3-(piperazin-1-yl) phenoxy)thiophene-2-sulfonamide)
    —— 4-Butyl-cyclohexanecarboxylic acid 4-propoxy-phenyl ester 67679-57-6 C20H30O3
    4-Butyl-cyclohexanecarboxylic acid 4-propoxy-phenyl ester
    —— 4-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-methylcyclohexanecarboxylic acid 1310478-83-1 C16H17NO4
    4-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-methylcyclohexanecarboxylic acid
    —— 4-methyl-4H-2-imidazo<4,5-b>pyridineacetic acid hydrazide 137242-57-0 C9H11N5O
    4-methyl-4H-2-imidazo<4,5-b>pyridineacetic acid hydrazide
    —— 4,5-Dibromo-1H-pyrrole-2-carboxylic acid ([1,3]dioxolan-2-ylmethyl)-amide 246021-38-5 C9H10Br2N2O3
    4,5-Dibromo-1H-pyrrole-2-carboxylic acid ([1,3]dioxolan-2-ylmethyl)-amide
    —— 4-tert-butyl-5-(3-benzoylmethylphenyl)-3,3-dimethyl-2,3-dihydrofuran 526197-98-8 C24H28O2
    4-tert-butyl-5-(3-benzoylmethylphenyl)-3,3-dimethyl-2,3-dihydrofuran
    —— 4-{2-[(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)oxy]ethoxy}benzonitrile 1448673-14-0 C17H12N2O4
    4-{2-[(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)oxy]ethoxy}benzonitrile
    —— 4-Oxo-2-imino-thiazolidin-5-essigsaeure-octylamid 100543-82-6 C13H23N3O2S
    4-Oxo-2-imino-thiazolidin-5-essigsaeure-octylamid
    —— 4,5-dibromo-1H-pyrrole-2-carboxylic acid [3-(2-azido-3H-imidazol-4-yl)prop-2-ynyl]amide 269064-64-4 C11H7Br2N7O
    4,5-dibromo-1H-pyrrole-2-carboxylic acid [3-(2-azido-3H-imidazol-4-yl)prop-2-ynyl]amide
    —— 4-chlorobutyl 2-chloroethyl <(4-chlorobutoxy)methyl>phosphonate 74858-23-4 C11H22Cl3O4P
    4-chlorobutyl 2-chloroethyl <(4-chlorobutoxy)methyl>phosphonate
    —— 4-tert-butyl-5-(3-methoxycarbonylmethyl)phenyl-3,3-dimethyl-2,3-dihydrofuran 526197-97-7 C19H26O3
    4-tert-butyl-5-(3-methoxycarbonylmethyl)phenyl-3,3-dimethyl-2,3-dihydrofuran
    —— 4-chloro-7-[2-C-methyl-3,5-bis-O-(2,4-dichlorophenylmethyl)-β-D-ribofuranosyl]-5-(2-phthalimidooxyethyl)-7H-pyrrolo[2,3-d]pyrimidine 847551-07-9 C36H29Cl5N4O7
    4-chloro-7-[2-C-methyl-3,5-bis-O-(2,4-dichlorophenylmethyl)-β-D-ribofuranosyl]-5-(2-phthalimidooxyethyl)-7H-pyrrolo[2,3-d]pyrimidine
    —— 4,5-dibromo-N-(2,2-diphenylethyl)-1H-pyrrole-2-carboxamide 1569312-52-2 C19H16Br2N2O
    4,5-dibromo-N-(2,2-diphenylethyl)-1H-pyrrole-2-carboxamide
    —— 4-tert-butyl-5-[3-(carboxymethyl)phenyl]-3,3-dimethyl-2,3-dihydrofuran 866129-80-8 C18H24O3
    4-tert-butyl-5-[3-(carboxymethyl)phenyl]-3,3-dimethyl-2,3-dihydrofuran
    —— 4,5-dibromo-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrrole-2-carboxylic acid 791814-08-9 C11H17Br2NO3Si
    4,5-dibromo-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrrole-2-carboxylic acid
    —— 4,5-dibromo-N-(4-chlorobenzyl)-1H-pyrrole-2-carboxamide 1569312-46-4 C12H9Br2ClN2O
    4,5-dibromo-N-(4-chlorobenzyl)-1H-pyrrole-2-carboxamide
    —— 4-tert-butyl-5-{3-[cyano(methoxycarbonyl)methyl]phenyl}-3,3-dimethyl-2,3-dihydrofuran 526197-99-9 C20H25NO3
    4-tert-butyl-5-{3-[cyano(methoxycarbonyl)methyl]phenyl}-3,3-dimethyl-2,3-dihydrofuran
    —— 4-[2-(<i>N</i>-acetyl-sulfanilyl)-ethyl]-1-isopropyl-pyridinium; bromide 109961-79-7 Br*C18H23N2O3S
    4-[2-(<i>N</i>-acetyl-sulfanilyl)-ethyl]-1-isopropyl-pyridinium; bromide
    —— 4-tert-butyl-5-[3-(1-cyanoethyl)phenyl]-3,3-dimethyl-2,3-dihydrofuran 866129-79-5 C19H25NO
    4-tert-butyl-5-[3-(1-cyanoethyl)phenyl]-3,3-dimethyl-2,3-dihydrofuran
    —— (4R,5R)-5-phenyl-1-hexen-4-ol 91463-89-7 C12H16O
    (4R,5R)-5-phenyl-1-hexen-4-ol
    —— 4,5-dibromo-N-(3,4-dichlorobenzyl)-1H-pyrrole-2-carboxamide 1569312-47-5 C12H8Br2Cl2N2O
    4,5-dibromo-N-(3,4-dichlorobenzyl)-1H-pyrrole-2-carboxamide
    —— 4-ethynyl-1-methyl-decahydro-quinolin-4-ol 54924-02-6 C12H19NO
    4-ethynyl-1-methyl-decahydro-quinolin-4-ol
    —— 4-(8-phenyl-1,4-dioxa-8-azaspiro[4.5]dec-7-yl)butanal 859499-53-9 C17H23NO3
    4-(8-phenyl-1,4-dioxa-8-azaspiro[4.5]dec-7-yl)butanal
    —— 4-(N-benzyl-N-methylamino)-1-cyano-1,1-diphenylbutane 129506-72-5 C25H26N2
    4-(N-benzyl-N-methylamino)-1-cyano-1,1-diphenylbutane
    —— 4-(8-phenyl-1,4-dioxa-8-azaspiro[4.5]dec-7-yl)butanenitrile 859499-52-8 C17H22N2O2
    4-(8-phenyl-1,4-dioxa-8-azaspiro[4.5]dec-7-yl)butanenitrile
    —— (4-aminobenzyl)-(N,N'-bis(tert-butoxycarbonyl)guanidine) —— C18H28N4O4
    (4-aminobenzyl)-(N,N'-bis(tert-butoxycarbonyl)guanidine)
    —— 4,4,5,5,6,6,6-Heptafluoro-1-iodo-3,3-bis(trifluoromethyl)hex-1-ene —— C8H2F13I
    4,4,5,5,6,6,6-Heptafluoro-1-iodo-3,3-bis(trifluoromethyl)hex-1-ene
    —— 4-[3-(3-Chloro-benzenesulfonyl)-1-methyl-1H-indol-7-yl]-piperazine-1-carboxylic acid tert-butyl ester 497963-91-4 C24H28ClN3O4S
    4-[3-(3-Chloro-benzenesulfonyl)-1-methyl-1H-indol-7-yl]-piperazine-1-carboxylic acid tert-butyl ester
    —— (4S,5S)-4,5-Bis(1,3,2-dioxaphospholanoxymethyl)-2,2-dimethyl-1,3-dioxolan 134920-73-3 C11H20O8P2
    (4S,5S)-4,5-Bis(1,3,2-dioxaphospholanoxymethyl)-2,2-dimethyl-1,3-dioxolan
    —— 4-[3-(3-Chloro-benzenesulfonyl)-1H-indol-7-yl]-piperazine-1-carboxylic acid tert-butyl ester 497963-89-0 C23H26ClN3O4S
    4-[3-(3-Chloro-benzenesulfonyl)-1H-indol-7-yl]-piperazine-1-carboxylic acid tert-butyl ester
    —— 4-amino-4H-2,4-triazole-3,5-dipropanol 21532-01-4 C8H16N4O2
    4-amino-4H-2,4-triazole-3,5-dipropanol
    —— 4-Amino-1-piperidin-1-yl-butan-1-one 87639-86-9 C9H18N2O
    4-Amino-1-piperidin-1-yl-butan-1-one
    —— 4,6,8-Trimethyl-1,2,3,4-tetrahydronaphthalin-1-on 27410-98-6 C13H16O
    4,6,8-Trimethyl-1,2,3,4-tetrahydronaphthalin-1-on
    —— 4-[1-Phenyl-meth-(E)-ylidene]-3,4-dihydro-2H-benzo[b]oxepin-5-one 90094-01-2 C17H14O2
    4-[1-Phenyl-meth-(E)-ylidene]-3,4-dihydro-2H-benzo[b]oxepin-5-one
    —— 4-ethoxy-2-t-butylpyrimidine 146900-91-6 C10H16N2O
    4-ethoxy-2-t-butylpyrimidine
    —— 4,5,6,7-tetramethyl-3<i>H</i>-benzofuran-2-one 60998-59-6 C12H14O2
    4,5,6,7-tetramethyl-3<i>H</i>-benzofuran-2-one
    —— 4-(4′-N,N-dihexylaminophenylethynyl)styrene 1415217-68-3 C28H37N
    4-(4′-N,N-dihexylaminophenylethynyl)styrene
    —— (+/-)-4-(2-methyl-propyl)-2-methylene-γ-butyrolactone 58557-31-6 C9H14O2
    (+/-)-4-(2-methyl-propyl)-2-methylene-γ-butyrolactone
    —— 4-({[((2-chloro-4-fluorophenyl){[2-(ethoxycarbonyl)cyclohex-2-en-1-yl]sulfonyl}amino)methoxy]carbonyl}oxy)butanoic acid 1000872-16-1 C21H25ClFNO9S
    4-({[((2-chloro-4-fluorophenyl){[2-(ethoxycarbonyl)cyclohex-2-en-1-yl]sulfonyl}amino)methoxy]carbonyl}oxy)butanoic acid
    —— 4-N-trimethylsilylaminoacetophenone 95581-60-5 C11H17NOSi
    4-N-trimethylsilylaminoacetophenone
    —— 4-((2-chloro-4-fluorophenyl){[2-(ethoxycarbonyl)cyclohex-2-en-1-yl]sulfonyl}amino)-4-oxobutanoic acid 1000872-43-4 C19H21ClFNO7S
    4-((2-chloro-4-fluorophenyl){[2-(ethoxycarbonyl)cyclohex-2-en-1-yl]sulfonyl}amino)-4-oxobutanoic acid
    —— (4-methoxybenzyl)carbamoyl cyanide 1195163-18-8 C10H10N2O2
    (4-methoxybenzyl)carbamoyl cyanide
    —— 4-pyridin-4-yl-1H-quinolin-2-one 1019878-28-4 C14H10N2O
    4-pyridin-4-yl-1H-quinolin-2-one
    —— 4-Ethylpyrido<2,3-a>pyrimidin 28732-68-5 C9H9N3
    4-Ethylpyrido<2,3-a>pyrimidin