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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Hydroxy-3,4',5-trimethoxychalcon 69299-21-4 C18H18O5
    4-Hydroxy-3,4',5-trimethoxychalcon
    —— 4-Nitro-benzoic acid adamantan-1-ylmethyl ester 698985-02-3 C18H21NO4
    4-Nitro-benzoic acid adamantan-1-ylmethyl ester
    —— 4-(2-bromobenzyloxy)-3,5-dimethoxybenzaldehyde 881854-97-3 C16H15BrO4
    4-(2-bromobenzyloxy)-3,5-dimethoxybenzaldehyde
    —— (4-hydroxy-3,5-dimethoxybenzylidene)-2-iminothiazolidin-4-one 327031-31-2 C12H12N2O4S
    (4-hydroxy-3,5-dimethoxybenzylidene)-2-iminothiazolidin-4-one
    —— 4-Amino-N-2-pyrimidinyl-N-(2-(1H-tetrazol-5-yl)ethyl)benzenesulfonamide 69518-42-9 C13H14N8O2S
    4-Amino-N-2-pyrimidinyl-N-(2-(1H-tetrazol-5-yl)ethyl)benzenesulfonamide
    —— 4-[1-(2-Benzyloxy-phenyl)-ethoxy]-3,5-dimethoxy-benzaldehyde 670274-84-7 C24H24O5
    4-[1-(2-Benzyloxy-phenyl)-ethoxy]-3,5-dimethoxy-benzaldehyde
    —— 4-hydroxyoxolane-2-carboxylic acid 89579-74-8 C5H8O4
    4-hydroxyoxolane-2-carboxylic acid
    —— (4-hydroxy-3,5-dimethoxybenzylidene)thiazolidine-2,4-one 127378-45-4 C12H11NO5S
    (4-hydroxy-3,5-dimethoxybenzylidene)thiazolidine-2,4-one
    —— 4-bromo-N<sup>1</sup>,N<sup>1</sup>-dimethylbenzene-1,3-diamine 90555-68-3 C8H11BrN2
    4-bromo-N<sup>1</sup>,N<sup>1</sup>-dimethylbenzene-1,3-diamine
    —— (4-hydroxy-3,5-dimethoxyphenyl)[4-(dimethylamino)phenyl]methanol 1176861-78-1 C17H21NO4
    (4-hydroxy-3,5-dimethoxyphenyl)[4-(dimethylamino)phenyl]methanol
    —— 4-cyclopropyl-6-methyl-3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide 1204573-69-2 C11H14N2O2S
    4-cyclopropyl-6-methyl-3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide
    —— 4-(2-cyanoethyl)-2,6-dimethoxyphenol 54738-27-1 C11H13NO3
    4-(2-cyanoethyl)-2,6-dimethoxyphenol
    —— 4-[(4-{[(1-Butylpyridin-1-ium-3-yl)amino](oxido)methylidene}cyclohexa-2,5-dien-1-ylidene)carbamoyl]-N-(1-butylquinolin-1-ium-6-yl)benzene-1-carboximidate--4-methylbenzene-1-sulfonic acid (1/2) 68967-21-5 C51H53N5O9S2
    4-[(4-{[(1-Butylpyridin-1-ium-3-yl)amino](oxido)methylidene}cyclohexa-2,5-dien-1-ylidene)carbamoyl]-N-(1-butylquinolin-1-ium-6-yl)benzene-1-carboximidate--4-methylbenzene-1-sulfonic acid (1/2)
    —— 4-(cyclobutylmethoxy)-3,5-dimethoxy-benzaldehyde 1351592-78-3 C14H18O4
    4-(cyclobutylmethoxy)-3,5-dimethoxy-benzaldehyde
    —— 4-[(Z)-(1-ethyl-5-imino-2-oxoimidazolidin-4-ylidene)methyl]-2-methoxyphenyl 4-methylbenzenesulfonate 1264751-32-7 C20H21N3O5S
    4-[(Z)-(1-ethyl-5-imino-2-oxoimidazolidin-4-ylidene)methyl]-2-methoxyphenyl 4-methylbenzenesulfonate
    —— 4-Morpholineacetamide, N-(2-(diethylamino)ethyl)-N-(1-naphthalenyl)- 69243-41-0 C22H31N3O2
    4-Morpholineacetamide, N-(2-(diethylamino)ethyl)-N-(1-naphthalenyl)-
    —— 4-(formyloxy)-2-methoxyphenyl acetate 1324054-65-0 C10H10O5
    4-(formyloxy)-2-methoxyphenyl acetate
    —— 4-(cyclohexylmethoxy)-3,5-dimethoxybenzaldehyde 128401-14-9 C16H22O4
    4-(cyclohexylmethoxy)-3,5-dimethoxybenzaldehyde
    —— 4-(1-Hydroxy-heptyl)-2-methoxy-phenol 114515-50-3 C14H22O3
    4-(1-Hydroxy-heptyl)-2-methoxy-phenol
    —— 4-(2-Fluoro-4-methylphenylamino)-6,7-dimethoxyquinoline-3-carboxamide 476192-11-7 C19H18FN3O3
    4-(2-Fluoro-4-methylphenylamino)-6,7-dimethoxyquinoline-3-carboxamide
    —— 4-{4-[(Z)-(1-ethyl-5-imino-2-oxoimidazolidin-4-ylidene)methyl]-2-methoxyphenoxy}-3-(trifluoromethyl)benzonitrile 1264751-33-8 C21H17F3N4O3
    4-{4-[(Z)-(1-ethyl-5-imino-2-oxoimidazolidin-4-ylidene)methyl]-2-methoxyphenoxy}-3-(trifluoromethyl)benzonitrile
    —— 4-methyl-2,6-bis(diethylphosphonomethyl)-pyridine 930284-81-4 C16H29NO6P2
    4-methyl-2,6-bis(diethylphosphonomethyl)-pyridine
    —— 4-{(E)-[(4-ethoxyphenyl)imino]methyl}-2-methoxyphenyl acetate 1417182-25-2 C18H19NO4
    4-{(E)-[(4-ethoxyphenyl)imino]methyl}-2-methoxyphenyl acetate
    —— (4-hydroxy-3,5-dimethoxy-phenyl)-glyoxylic acid 81947-97-9 C10H10O6
    (4-hydroxy-3,5-dimethoxy-phenyl)-glyoxylic acid
    —— 4-Cycloheptylamino-butyric acid ethyl ester 725744-89-8 C13H25NO2
    4-Cycloheptylamino-butyric acid ethyl ester
    —— 4-(2,2-dicyanovinyl)-2-methoxyphenyl acetate 100382-13-6 C13H10N2O3
    4-(2,2-dicyanovinyl)-2-methoxyphenyl acetate
    —— 4-tert-butoxycarbonylamino-3-fluorotoluene 323578-35-4 C12H16FNO2
    4-tert-butoxycarbonylamino-3-fluorotoluene
    —— 4-chloro-1,3,8-trimethylpyrido[2,3-d]pyridazine-2,5(1H,6H)-dione 1044668-91-8 C10H10ClN3O2
    4-chloro-1,3,8-trimethylpyrido[2,3-d]pyridazine-2,5(1H,6H)-dione
    —— 4-{4-[(2-phenyl-5-trifluoromethyl-oxazole-4-carbonyl)-amino]-phenyl}-piperazine-1-carboxylic acid propylamide 1085838-35-2 C25H26F3N5O3
    4-{4-[(2-phenyl-5-trifluoromethyl-oxazole-4-carbonyl)-amino]-phenyl}-piperazine-1-carboxylic acid propylamide
    —— 4'-Chlor-4-(3-propyl-ureido)-diphenylsulfon 54457-67-9 C16H17ClN2O3S
    4'-Chlor-4-(3-propyl-ureido)-diphenylsulfon
    —— 4-propoxy-1-indanone 820238-22-0 C12H14O2
    4-propoxy-1-indanone
    —— 4-Hydroxy-4-[3-methoxy-4-(tetrahydro-pyran-2-yloxy)-phenyl]-1-(tetrahydro-pyran-2-yloxy)-butan-2-one 336784-85-1 C21H30O7
    4-Hydroxy-4-[3-methoxy-4-(tetrahydro-pyran-2-yloxy)-phenyl]-1-(tetrahydro-pyran-2-yloxy)-butan-2-one
    —— 4-hydroxy-3-methoxymandelic acid (phenylmethyl) ester 139473-89-5 C16H16O5
    4-hydroxy-3-methoxymandelic acid (phenylmethyl) ester
    —— 4-hydroxy-3-methoxyphenyl alpha acetoxyacetic acid 153750-09-5 C11H12O6
    4-hydroxy-3-methoxyphenyl alpha acetoxyacetic acid
    —— 4-bromo-7-phenyl-1,2,3-triazolo<4,5-e>benzofurazan 166766-21-8 C12H6BrN5O
    4-bromo-7-phenyl-1,2,3-triazolo<4,5-e>benzofurazan
    —— 4-benzyl-1-((1-(tricyclo[3.3.1.1(3,7)]dec-1-ylmethyl)piperidin-4-yl)methyl)piperidine 1334173-80-6 C29H44N2
    4-benzyl-1-((1-(tricyclo[3.3.1.1(3,7)]dec-1-ylmethyl)piperidin-4-yl)methyl)piperidine
    —— 4-Amino-benzoic acid adamantan-1-ylmethyl ester 881588-58-5 C18H23NO2
    4-Amino-benzoic acid adamantan-1-ylmethyl ester
    —— 4-methoxy-7-phenyl-1,2,3-triazolo<4,5-e>benzofurazan 166766-22-9 C13H9N5O2
    4-methoxy-7-phenyl-1,2,3-triazolo<4,5-e>benzofurazan
    —— 4-tert-butyl-1-(9H-thioxanthen-9-ylmethyl)piperidin-4-ol;hydron;chloride —— C23H30ClNOS
    4-tert-butyl-1-(9H-thioxanthen-9-ylmethyl)piperidin-4-ol;hydron;chloride
    —— 4-(1'-naphthyl)-3-oxo-1,2,5-thiadiazolidine 1,1-dioxide 120991-37-9 C12H10N2O3S
    4-(1'-naphthyl)-3-oxo-1,2,5-thiadiazolidine 1,1-dioxide
    —— 4'-Nitro-4-(3-propyl-ureido)-diphenylsulfon 54457-62-4 C16H17N3O5S
    4'-Nitro-4-(3-propyl-ureido)-diphenylsulfon
    —— 4-fluoro-2-trifluoromethyl-N-(3,3,3-trifluoro-1-methylcarbamoyl-2-nitropropyl)benzamide 946611-33-2 C13H10F7N3O4
    4-fluoro-2-trifluoromethyl-N-(3,3,3-trifluoro-1-methylcarbamoyl-2-nitropropyl)benzamide
    —— 4-tert-butylaminoacetyl-7-hydroxyindole-2-carboxylic acid ethyl ester hydrochloride 84638-85-7 C17H22N2O4*ClH
    4-tert-butylaminoacetyl-7-hydroxyindole-2-carboxylic acid ethyl ester hydrochloride
    —— 4-Amino-N-(2-(1H-tetrazol-5-yl)ethyl)-N-2-thiazolylbenzenesulfonamide 69518-36-1 C12H13N7O2S2
    4-Amino-N-(2-(1H-tetrazol-5-yl)ethyl)-N-2-thiazolylbenzenesulfonamide
    —— 4-[[(4S,5S)-3-(4-methoxyphenyl)-5-morpholin-4-yl-4,5-dihydro-1,2-oxazol-4-yl]methyl]morpholine 76439-11-7 C19H27N3O4
    4-[[(4S,5S)-3-(4-methoxyphenyl)-5-morpholin-4-yl-4,5-dihydro-1,2-oxazol-4-yl]methyl]morpholine
    —— 4-Hydroxy-2-(1-hydroxy-propyl)-8-trifluoromethyl-quinoline-3-carboxylic acid pyridin-2-ylamide 114350-97-9 C19H16F3N3O3
    4-Hydroxy-2-(1-hydroxy-propyl)-8-trifluoromethyl-quinoline-3-carboxylic acid pyridin-2-ylamide
    —— 4-Piperidinol, 4-(t-butyl)-1-((5H-dibenzo(a,d)cyclohepten-5-yl)methyl)-, hydrochloride 69663-51-0 C25H32ClNO
    4-Piperidinol, 4-(t-butyl)-1-((5H-dibenzo(a,d)cyclohepten-5-yl)methyl)-, hydrochloride
    —— 4-(4-hydroxyphenyl)butyric acid N'-(3-methoxybenzyl)hydrazide 425672-43-1 C18H22N2O3
    4-(4-hydroxyphenyl)butyric acid N'-(3-methoxybenzyl)hydrazide
    —— 4-Methyl-1-((6-methyl-3-cyclohexen-1-yl)carbonyl)piperidine 69462-53-9 C14H23NO
    4-Methyl-1-((6-methyl-3-cyclohexen-1-yl)carbonyl)piperidine
    —— 4-(2,2',5,5'-Tetraoxo(1,3'-bipyrrolidin)-1'-yl)benzenesulfonamide 69557-02-4 C14H13N3O6S
    4-(2,2',5,5'-Tetraoxo(1,3'-bipyrrolidin)-1'-yl)benzenesulfonamide