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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,4'-((1R,2R)-1,2-Diaminoethane-1,2-diyl)dibenzonitrile 1055703-94-0 C16H14N4
    4,4'-((1R,2R)-1,2-Diaminoethane-1,2-diyl)dibenzonitrile
    —— 4-(5-chloro-2-hydroxy-phenyl)-4-oxo-butyric acid ethyl ester 100119-68-4 C12H13ClO4
    4-(5-chloro-2-hydroxy-phenyl)-4-oxo-butyric acid ethyl ester
    —— 4,5-dimethoxybenzocyclobutene-1,2-dione bisethyleneacetal 75833-41-9 C14H16O6
    4,5-dimethoxybenzocyclobutene-1,2-dione bisethyleneacetal
    —— (4-cyanopyridine)(N,N'-ethylenebis(salicylideneaminato))cobalt(II) 99837-14-6 C22H18CoN4O2
    (4-cyanopyridine)(N,N'-ethylenebis(salicylideneaminato))cobalt(II)
    —— 4-chloro-2-(N-propyl-4-chlorobutylamino)quinazoline 81683-45-6 C15H19Cl2N3
    4-chloro-2-(N-propyl-4-chlorobutylamino)quinazoline
    —— 4-(5-fluoro-6-(mesitylamino)pyridin-2-ylamino)benzonitrile 1609686-96-5 C21H19FN4
    4-(5-fluoro-6-(mesitylamino)pyridin-2-ylamino)benzonitrile
    —— 4'-C-(2-azidoethyl)-5'-O-(dimethoxytrityl)thymidine 267244-00-8 C33H35N5O7
    4'-C-(2-azidoethyl)-5'-O-(dimethoxytrityl)thymidine
    —— 4-Acetoxy-3-oxo-2,5-diphenyl-2,3-dihydrothiophen-1,1-dioxid 73764-48-4 C18H14O5S
    4-Acetoxy-3-oxo-2,5-diphenyl-2,3-dihydrothiophen-1,1-dioxid
    —— 4,5,6,7-tetramethyl-2-phenyl-3a,4,7,7a-tetrahydro-4,7-methano-isoindole-1,3-dione 4429-64-5 C19H21NO2
    4,5,6,7-tetramethyl-2-phenyl-3a,4,7,7a-tetrahydro-4,7-methano-isoindole-1,3-dione
    —— 4-(4-trifluoromethanesulfonyl-phenyl)-thiazol-2-ylamine 788-84-1 C10H7F3N2O2S2
    4-(4-trifluoromethanesulfonyl-phenyl)-thiazol-2-ylamine
    —— (4,5-dibromo[<sup>13</sup>C<sub>4</sub>]furan-2-yl(morpholino))[<sup>13</sup>C]methanone 1627166-86-2 C9H9Br2NO3
    (4,5-dibromo[<sup>13</sup>C<sub>4</sub>]furan-2-yl(morpholino))[<sup>13</sup>C]methanone
    —— 4-((Z)-1-Methoxy-3-oxo-2,3-diphenyl-propenyl)-benzonitrile 26652-82-4 C23H17NO2
    4-((Z)-1-Methoxy-3-oxo-2,3-diphenyl-propenyl)-benzonitrile
    —— 4-benzhydryloxy-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one 34934-54-8 C24H22N2O2
    4-benzhydryloxy-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one
    —— 4-(9-oxo-fluoren-4-yl)-biphenyl-2,3-dicarboxylic acid anhydride 38510-27-9 C27H14O4
    4-(9-oxo-fluoren-4-yl)-biphenyl-2,3-dicarboxylic acid anhydride
    —— 4-(6-methoxy-4-oxo-4<i>H</i>-chromen-2-yl)-benzoyl chloride 39679-65-7 C17H11ClO4
    4-(6-methoxy-4-oxo-4<i>H</i>-chromen-2-yl)-benzoyl chloride
    —— 4-((3S,5R,10S,13S,17R)-3-Acetoxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-5-oxo-pentanoic acid 31107-25-2 C26H40O5
    4-((3S,5R,10S,13S,17R)-3-Acetoxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-5-oxo-pentanoic acid
    —— 4-[(4-chlorophenyl)amino]-6-piperazin-1-ylpyrimidine-2-carbonitrile 639855-05-3 C15H15ClN6
    4-[(4-chlorophenyl)amino]-6-piperazin-1-ylpyrimidine-2-carbonitrile
    —— 4-(2-{[4-{[6-(methyloxy)-1,3-benzothiazol-2-yl]amino}-6-(phenylmethyl)-2-pyrimidinyl]amino}ethyl)benzenesulfonamide 1246031-91-3 C27H26N6O3S2
    4-(2-{[4-{[6-(methyloxy)-1,3-benzothiazol-2-yl]amino}-6-(phenylmethyl)-2-pyrimidinyl]amino}ethyl)benzenesulfonamide
    —— 4,4,8,8-tetrakis(methylthio)pyrazabole 77189-81-2 C10H18B2N4S4
    4,4,8,8-tetrakis(methylthio)pyrazabole
    —— (4R)-5,5-diallyl-2-(4-methoxyphenyl)-N-(3-oxo-3-(pentylamino)propyl)-1,3-dioxane-4-carboxamide 1309384-68-6 C26H38N2O5
    (4R)-5,5-diallyl-2-(4-methoxyphenyl)-N-(3-oxo-3-(pentylamino)propyl)-1,3-dioxane-4-carboxamide
    —— 4-Phenyl-3-(tosylmethyl)cyclobuten-1,2-dion 81758-62-5 C18H14O4S
    4-Phenyl-3-(tosylmethyl)cyclobuten-1,2-dion
    —— 4-[(2-hydroxyethyl)(methyl)amino]-5-methyl-2-(4-methylphenyl)thieno[2,3-d]pyrimidine-6-carbonitrile 731856-12-5 C18H18N4OS
    4-[(2-hydroxyethyl)(methyl)amino]-5-methyl-2-(4-methylphenyl)thieno[2,3-d]pyrimidine-6-carbonitrile
    —— 4-Iodo-2-phenoxybenzonitrile 1364440-92-5 C13H8INO
    4-Iodo-2-phenoxybenzonitrile
    —— 4-Phenyl-2-phenylimino-butin-3-saeureaethylester 15432-01-6 C18H15NO2
    4-Phenyl-2-phenylimino-butin-3-saeureaethylester
    —— 4-Hydroxy-6-(4-methoxy-phenyl)-3-methyl-1H-pyridin-2-one 150056-77-2 C13H13NO3
    4-Hydroxy-6-(4-methoxy-phenyl)-3-methyl-1H-pyridin-2-one
    —— (4E,11E)-4,11-Hexadecadien-1-ol 147240-94-6 C16H30O
    (4E,11E)-4,11-Hexadecadien-1-ol
    —— 4-[(2-Fluorophenyl)methyl]aniline 1082855-23-9 C13H12FN
    4-[(2-Fluorophenyl)methyl]aniline
    —— 4-Ethoxy-3-hydroxy-5-methoxybenzaldehyde 81805-99-4 C10H12O4
    4-Ethoxy-3-hydroxy-5-methoxybenzaldehyde
    —— 4-hydroxy-6,8-dimethyl-3-nitro-1<i>H</i>-quinolin-2-one 54675-08-0 C11H10N2O4
    4-hydroxy-6,8-dimethyl-3-nitro-1<i>H</i>-quinolin-2-one
    —— (4-oxo-2-pyridin-2-ylamino-4H-thiazol-5-ylidene)-acetic acid ethyl ester 49600-45-5 C12H11N3O3S
    (4-oxo-2-pyridin-2-ylamino-4H-thiazol-5-ylidene)-acetic acid ethyl ester
    —— 4-Chlor-N-(5-chlorpyrimidin-2-ylaminosulfonyl)benzamid 105094-68-6 C11H8Cl2N4O3S
    4-Chlor-N-(5-chlorpyrimidin-2-ylaminosulfonyl)benzamid
    —— (4R,6S)-4-allyl-6-(1',3'-dithian-2'-ylmethyl)-2,2-dimethyl-1,3-dioxane 114047-91-5 C14H24O2S2
    (4R,6S)-4-allyl-6-(1',3'-dithian-2'-ylmethyl)-2,2-dimethyl-1,3-dioxane
    —— 4-((1R,2R,5S,8S,9S)-12,12-Dichloro-4,6-dioxa-tricyclo[7.2.1.02,8]dodec-10-en-5-yl)-benzonitrile 151561-07-8 C17H15Cl2NO2
    4-((1R,2R,5S,8S,9S)-12,12-Dichloro-4,6-dioxa-tricyclo[7.2.1.02,8]dodec-10-en-5-yl)-benzonitrile
    —— 4''-O-allyl-6-O-methyl-11-desoxy-11-(R)-methylamino-erythromycin A 11,12-carbamate 797042-51-4 C43H74N2O13
    4''-O-allyl-6-O-methyl-11-desoxy-11-(R)-methylamino-erythromycin A 11,12-carbamate
    —— (4'R)-3'-methyl-5't,8'-dioxo-7't-(2-phenoxy-acetylamino)-(4'rO,6'cH)-5'λ4-spiro[oxirane-2,4'-(5-thia-1-aza-bicyclo[4.2.0]oct-2-ene)]-2'-carboxylic acid 2,2,2-trichloro-ethyl ester 70159-76-1 C19H17Cl3N2O7S
    (4'R)-3'-methyl-5't,8'-dioxo-7't-(2-phenoxy-acetylamino)-(4'rO,6'cH)-5'λ4-spiro[oxirane-2,4'-(5-thia-1-aza-bicyclo[4.2.0]oct-2-ene)]-2'-carboxylic acid 2,2,2-trichloro-ethyl ester
    —— [4-[3-(4-nitrophenoxy)propyl]morpholin-2-yl]methanamine 141815-38-5 C14H21N3O4
    [4-[3-(4-nitrophenoxy)propyl]morpholin-2-yl]methanamine
    —— 4-methyl-3,4,5-triphenyl-1-(2-pyridinyl)imidazolidine 112151-99-2 C27H25N3
    4-methyl-3,4,5-triphenyl-1-(2-pyridinyl)imidazolidine
    —— (4-Methylphenyl)-[5-[(2,2,5,5-tetramethyl-1,2,5-azadisilolidin-1-yl)methyl]furan-2-yl]methanol 861407-24-1 C19H29NO2Si2
    (4-Methylphenyl)-[5-[(2,2,5,5-tetramethyl-1,2,5-azadisilolidin-1-yl)methyl]furan-2-yl]methanol
    —— 4-methyl-5-iodonicotinic acid 1190223-51-8 C7H6INO2
    4-methyl-5-iodonicotinic acid
    —— 4-hydroxy-1-methyl-3-(2-nitrophenyl)quinolin-2(1H)-one 1301219-73-7 C16H12N2O4
    4-hydroxy-1-methyl-3-(2-nitrophenyl)quinolin-2(1H)-one
    —— 4-(3-chloropyridin-2-yl)-4-fluoro-6-methyl-N-{4-[(trifluoromethyl)sulfonyl]phenyl}cyclohex-1-ene-1-carboxamide 1147098-29-0 C20H17ClF4N2O3S
    4-(3-chloropyridin-2-yl)-4-fluoro-6-methyl-N-{4-[(trifluoromethyl)sulfonyl]phenyl}cyclohex-1-ene-1-carboxamide
    —— [4-(5-aminomethyl-2-fluoro-phenyl)-piperidin-1-yl]-[4-(3-hydroxy-3-methyl-butyl)-1-(2-methoxy-ethyl)-1H-indol-3-yl]-methanone hydrochloride 1313040-71-9 C29H38FN3O3*ClH
    [4-(5-aminomethyl-2-fluoro-phenyl)-piperidin-1-yl]-[4-(3-hydroxy-3-methyl-butyl)-1-(2-methoxy-ethyl)-1H-indol-3-yl]-methanone hydrochloride
    —— 4-octyloxy-benzoic acid-(3-dimethylamino-1,2-dimethyl-propyl ester) 112949-76-5 C22H37NO3
    4-octyloxy-benzoic acid-(3-dimethylamino-1,2-dimethyl-propyl ester)
    —— 4-(1-allyloxy-2-nitro-propyl)-2,2-dimethyl-[1,3]dioxolane 1204402-11-8 C11H19NO5
    4-(1-allyloxy-2-nitro-propyl)-2,2-dimethyl-[1,3]dioxolane
    —— [4-(5-aminomethyl-2-fluoro-phenyl)-piperidin-1-yl]-{7-methyl-1-[2-(1-methylpiperidin-2-yl)-ethyl]-1H-indol-3-yl}-methanone hydrochloride 1313040-23-1 C30H39FN4O*ClH
    [4-(5-aminomethyl-2-fluoro-phenyl)-piperidin-1-yl]-{7-methyl-1-[2-(1-methylpiperidin-2-yl)-ethyl]-1H-indol-3-yl}-methanone hydrochloride
    —— 4-{[1-(3,5-Dibromo-2-hydroxy-phenyl)-meth-(E)-ylidene]-amino}-benzamide 41077-07-0 C14H10Br2N2O2
    4-{[1-(3,5-Dibromo-2-hydroxy-phenyl)-meth-(E)-ylidene]-amino}-benzamide
    —— 4-tert-Butyl-N<sup>2</sup>-(4-tert-butyl-3-methoxy-phenyl)-5-methoxy-benzene-1,2-diamine 35292-27-4 C22H32N2O2
    4-tert-Butyl-N<sup>2</sup>-(4-tert-butyl-3-methoxy-phenyl)-5-methoxy-benzene-1,2-diamine
    —— 4-Chloro-2-[(3-methoxycarbonyl-propionyl)-methyl-amino]-benzoic acid methyl ester 19828-50-3 C14H16ClNO5
    4-Chloro-2-[(3-methoxycarbonyl-propionyl)-methyl-amino]-benzoic acid methyl ester
    —— (4aR,6aS,6bR,10aR)-6b-Acetyl-4a,6a,7-trimethyl-4a,4b,5,6,6a,6b,7,10,10a,11,11a,11b,12,13-tetradecahydro-indeno[2,1-a]phenanthren-2-one 39987-96-7 C26H34O2
    (4aR,6aS,6bR,10aR)-6b-Acetyl-4a,6a,7-trimethyl-4a,4b,5,6,6a,6b,7,10,10a,11,11a,11b,12,13-tetradecahydro-indeno[2,1-a]phenanthren-2-one
    —— 4-isocyanobut-1-ene 62398-42-9 C5H7N
    4-isocyanobut-1-ene