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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Heptyl-5-methylidenefuran-2-one 385438-45-9 C12H18O2
    4-Heptyl-5-methylidenefuran-2-one
    —— 4,5,6,7-Tetrafluoro-1-oxaspiro<2.4>hepta-4,6-diene 131152-59-5 C6H2F4O
    4,5,6,7-Tetrafluoro-1-oxaspiro<2.4>hepta-4,6-diene
    —— 4-ethoxycarbonyloxy-2-methoxy-6-methyl-benzoic acid 855754-00-6 C12H14O6
    4-ethoxycarbonyloxy-2-methoxy-6-methyl-benzoic acid
    —— 4,6-dimethyl-2-(piperidin-1-yl)benzo[d]thiazole 1269795-71-2 C14H18N2S
    4,6-dimethyl-2-(piperidin-1-yl)benzo[d]thiazole
    —— 4-[1-(4-chloro-3-methylphenyl)-1H-tetrazol-5-yl]piperidine trifluoroacetate 1352246-38-8 C2HF3O2*C13H16ClN5
    4-[1-(4-chloro-3-methylphenyl)-1H-tetrazol-5-yl]piperidine trifluoroacetate
    —— 4-(4,5-bis(4-methoxyphenyl)oxazol-2-yl)-(N-hydroxy-N-carboxyethylcarbamoyl)piperidine 951743-66-1 C26H29N3O7
    4-(4,5-bis(4-methoxyphenyl)oxazol-2-yl)-(N-hydroxy-N-carboxyethylcarbamoyl)piperidine
    —— [4-ethyl-1-hydroxy-6-(pyrazin-2-yloxy)-1,3-dihydro-benzo[c][1,2]oxaborol-3-yl]-acetic acid 1265357-60-5 C15H15BN2O5
    [4-ethyl-1-hydroxy-6-(pyrazin-2-yloxy)-1,3-dihydro-benzo[c][1,2]oxaborol-3-yl]-acetic acid
    —— 4-(4,5-Bis(4-methoxyphenyl)oxazol-2-yl)-1-(N-cyclohexyl-N-hydroxycarbamoyl)piperidine 951743-32-1 C29H35N3O5
    4-(4,5-Bis(4-methoxyphenyl)oxazol-2-yl)-1-(N-cyclohexyl-N-hydroxycarbamoyl)piperidine
    —— 4-[3,5-bis(trifluoromethyl)phenoxy]benzenesulfonyl Chloride 885950-90-3 C14H7ClF6O3S
    4-[3,5-bis(trifluoromethyl)phenoxy]benzenesulfonyl Chloride
    —— 4-(4,5-bis(4-methoxyphenyl)oxazol-2-yl)-(N-hydroxy-N-ethoxycarbonylethylcarbamoyl)piperidine 951743-65-0 C28H33N3O7
    4-(4,5-bis(4-methoxyphenyl)oxazol-2-yl)-(N-hydroxy-N-ethoxycarbonylethylcarbamoyl)piperidine
    —— 4-(4,5-bis(4-methoxyphenyl)furan-2-yl)piperidine 951744-73-3 C23H25NO3
    4-(4,5-bis(4-methoxyphenyl)furan-2-yl)piperidine
    —— 4-(4,5-bis(4-methoxyphenyl)oxazol-2-yl)-1-(N-hydroxycarbamoyl)piperidine 951743-34-3 C23H25N3O5
    4-(4,5-bis(4-methoxyphenyl)oxazol-2-yl)-1-(N-hydroxycarbamoyl)piperidine
    —— 4,4'-(1,1,3,3-tetramethyl-1,3-disiloxanediyl)bis(benzenamine) 85214-57-9 C16H24N2OSi2
    4,4'-(1,1,3,3-tetramethyl-1,3-disiloxanediyl)bis(benzenamine)
    —— 4-(1-(4-Hydroxyphenyl)-5-(4-methoxyphenyl)-1H-pyrazol-3-yl)-1-(N-hydroxy-N-methylcarbamoyl)piperidine 951743-87-6 C23H26N4O4
    4-(1-(4-Hydroxyphenyl)-5-(4-methoxyphenyl)-1H-pyrazol-3-yl)-1-(N-hydroxy-N-methylcarbamoyl)piperidine
    —— 4-(4,5-Bis(4-methoxyphenyl)oxazol-2-yl)-1-(N-hydroxy-N-ethylcarbamoyl)piperidine 951743-35-4 C25H29N3O5
    4-(4,5-Bis(4-methoxyphenyl)oxazol-2-yl)-1-(N-hydroxy-N-ethylcarbamoyl)piperidine
    —— 4-(4-Butan-2-ylphenyl)-1,3-thiazole 5095-02-3 C13H15NS
    4-(4-Butan-2-ylphenyl)-1,3-thiazole
    —— 4-(2-amino-phenylcarbamoyl)-piperidine-1-carboxylic acid benzyl ester 1223345-18-3 C20H23N3O3
    4-(2-amino-phenylcarbamoyl)-piperidine-1-carboxylic acid benzyl ester
    —— 4-isopropyl-6-trifluoromethyl-furo[3,2-b]indole-2-carbonyl chloride 80019-64-3 C15H11ClF3NO2
    4-isopropyl-6-trifluoromethyl-furo[3,2-b]indole-2-carbonyl chloride
    —— 4-(4-phenyl-4-n-pentyl-4-silacyclohexyl)phenol 177787-30-3 C22H30OSi
    4-(4-phenyl-4-n-pentyl-4-silacyclohexyl)phenol
    —— 4-hydroxy-2-methoxymethoxy-6-methyl-benzaldehyde 1265360-96-0 C10H12O4
    4-hydroxy-2-methoxymethoxy-6-methyl-benzaldehyde
    —— [4-ethyl-1-hydroxy-6-(pyrazin-2-yloxy)-1,3-dihydro-benzo[c][1,2]oxaborol-3-yl]-acetic acid ethyl ester 1265361-80-5 C17H19BN2O5
    [4-ethyl-1-hydroxy-6-(pyrazin-2-yloxy)-1,3-dihydro-benzo[c][1,2]oxaborol-3-yl]-acetic acid ethyl ester
    —— 4-(3-benzyloxy-phenoxy)-2-methoxymethoxy-6-methyl-benzaldehyde 1265360-98-2 C23H22O5
    4-(3-benzyloxy-phenoxy)-2-methoxymethoxy-6-methyl-benzaldehyde
    —— 4-Cyclohexylidene-3-hydroxy-2-methylbutanoic acid 96232-83-6 C11H18O3
    4-Cyclohexylidene-3-hydroxy-2-methylbutanoic acid
    —— 4-(3-benzyloxy-phenoxy)-2-methyl-6-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzaldehyde 1265361-04-3 C27H29BO5
    4-(3-benzyloxy-phenoxy)-2-methyl-6-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzaldehyde
    —— 4-hydroxyiminopiperidine hydrochloride 75484-54-7 C5H10N2O*ClH
    4-hydroxyiminopiperidine hydrochloride
    —— 4-(3-benzyloxy-phenoxy)-2-hydroxy-6-methyl-benzaldehyde 1265361-00-9 C21H18O4
    4-(3-benzyloxy-phenoxy)-2-hydroxy-6-methyl-benzaldehyde
    —— 4-methoxy-8-nitro-dibenzo[b,d]furan-1-carboxylic acid 685873-74-9 C14H9NO6
    4-methoxy-8-nitro-dibenzo[b,d]furan-1-carboxylic acid
    —— 4-Cyclohexylidene-3-hydroxy-4-butanoic acid 96232-82-5 C10H16O3
    4-Cyclohexylidene-3-hydroxy-4-butanoic acid
    —— 4-ethyl-6-trifluoromethylfuro<3,2-b>indole-2-carbonyl chloride 80019-63-2 C14H9ClF3NO2
    4-ethyl-6-trifluoromethylfuro<3,2-b>indole-2-carbonyl chloride
    —— 4-(7-bromo-1-phenyl-1H-benzoimidazole-5-sulfonyl)-5-methylsulfanyl-thiophene-2-carboxylic acid methyl ester 631912-18-0 C20H15BrN2O4S3
    4-(7-bromo-1-phenyl-1H-benzoimidazole-5-sulfonyl)-5-methylsulfanyl-thiophene-2-carboxylic acid methyl ester
    —— 4-(N-tert-butoxycarbonylhydrazinocarbonyl)-piperazine 635732-26-2 C10H20N4O3
    4-(N-tert-butoxycarbonylhydrazinocarbonyl)-piperazine
    —— 4-amino-2-phenyl-2,4-dihydro-3H-1,2,4-triazol-3-one 82417-76-3 C8H8N4O
    4-amino-2-phenyl-2,4-dihydro-3H-1,2,4-triazol-3-one
    —— 4-(2,4-Dichloro-5-sulfamoylphenyl)-3-cyclopropyl-2-cyclopropylimino-1,3-thiazolidine-4-ol-hydrobromide 62971-35-1 BrH*C15H17Cl2N3O3S2
    4-(2,4-Dichloro-5-sulfamoylphenyl)-3-cyclopropyl-2-cyclopropylimino-1,3-thiazolidine-4-ol-hydrobromide
    —— 4-(3-bromo-5-nitro-4-phenylamino-benzenesulfonyl)-5-methylsulfanyl-thiophene-2-carboxylic acid methyl ester 631912-17-9 C19H15BrN2O6S3
    4-(3-bromo-5-nitro-4-phenylamino-benzenesulfonyl)-5-methylsulfanyl-thiophene-2-carboxylic acid methyl ester
    —— 4-(morpholine-4-carbonylamino)-butyric acid 120089-50-1 C9H16N2O4
    4-(morpholine-4-carbonylamino)-butyric acid
    —— 4-Phenyl-1,1,3,3-tetrabutylguanidine 128838-18-6 C23H41N3
    4-Phenyl-1,1,3,3-tetrabutylguanidine
    —— 4-(4-Chloro-3-sulfamoylphenyl)-3-cyclopropyl-2-cyclopropylimino-1,3-thiazolidine-4-ol-hydrochloride 59814-71-0 C15H18ClN3O3S2*ClH
    4-(4-Chloro-3-sulfamoylphenyl)-3-cyclopropyl-2-cyclopropylimino-1,3-thiazolidine-4-ol-hydrochloride
    —— 4-(piperidine-1-carbonylamino)-butyric acid ethyl ester 109045-92-3 C12H22N2O3
    4-(piperidine-1-carbonylamino)-butyric acid ethyl ester
    —— 4-fluoro-5-(morpholine-4-sulfonyl)benzene-1,2-diol 656805-64-0 C10H12FNO5S
    4-fluoro-5-(morpholine-4-sulfonyl)benzene-1,2-diol
    —— 4-Amino-2-(3-chlorphenyl)-2,4-dihydro-3H-1,2,4-triazol-3-on 82417-78-5 C8H7ClN4O
    4-Amino-2-(3-chlorphenyl)-2,4-dihydro-3H-1,2,4-triazol-3-on
    —— 4-[bis(2-anilino-2-oxotheyl)amino]benzoic acid 956427-78-4 C23H21N3O4
    4-[bis(2-anilino-2-oxotheyl)amino]benzoic acid
    —— 4,5-dihydro-3H-isoxazolo<5,4,3-kl>acridine 129578-50-3 C13H10N2O
    4,5-dihydro-3H-isoxazolo<5,4,3-kl>acridine
    —— 4,5,5a,6-tetrahydro-3H-isoxazolo<5,4,3-kl>acridine-6-carbonyl chloride 129578-56-9 C14H11ClN2O2
    4,5,5a,6-tetrahydro-3H-isoxazolo<5,4,3-kl>acridine-6-carbonyl chloride
    —— 4a,9a-Dimethyl-1,2,3,4,6,7,8,9-octahydrophenazine 906803-41-6 C14H22N2
    4a,9a-Dimethyl-1,2,3,4,6,7,8,9-octahydrophenazine
    —— 4-[3-(benzyloxy)benzyl]-N-pyridin-3-ylpiperazine-1-carboxamide oxalate 1008764-34-8 C2H2O4*C24H26N4O2
    4-[3-(benzyloxy)benzyl]-N-pyridin-3-ylpiperazine-1-carboxamide oxalate
    —— 4-(2-Chloro-6-methylanilino)-4-oxobut-2-enoic acid 757169-60-1 C11H10ClNO3
    4-(2-Chloro-6-methylanilino)-4-oxobut-2-enoic acid
    —— 4-(<i>N'</i>-benzyl-ureido)-butyric acid 105336-96-7 C12H16N2O3
    4-(<i>N'</i>-benzyl-ureido)-butyric acid
    —— 4-[(3-Ethoxycarbonyl-5-ethylthiophen-2-yl)amino]-4-oxobut-2-enoic acid 524926-67-8 C13H15NO5S
    4-[(3-Ethoxycarbonyl-5-ethylthiophen-2-yl)amino]-4-oxobut-2-enoic acid
    —— 4-acetamido-N-(2-amino-4-(trifluoromethyl)phenyl)benzamide 1550053-57-0 C16H14F3N3O2
    4-acetamido-N-(2-amino-4-(trifluoromethyl)phenyl)benzamide
    —— 4-[7-(trifluoromethyl)spiro[5H-pyrrolo[1,2-a]quinoxaline-4,4'-piperidine]-1'-carbonyl]benzonitrile 1259379-37-7 C24H19F3N4O
    4-[7-(trifluoromethyl)spiro[5H-pyrrolo[1,2-a]quinoxaline-4,4'-piperidine]-1'-carbonyl]benzonitrile