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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Hydroxy-1,8,9-triazaanthracen-2(1H)-on 75401-08-0 C11H7N3O2
    4-Hydroxy-1,8,9-triazaanthracen-2(1H)-on
    —— 4-((Ξ)-sec-butylidene)-2,2,5,5-tetramethyl-dihydro-furan-3-one-(2,4-dinitro-phenylhydrazone) 101738-61-8 C18H24N4O5
    4-((Ξ)-sec-butylidene)-2,2,5,5-tetramethyl-dihydro-furan-3-one-(2,4-dinitro-phenylhydrazone)
    —— 4-Non-3-ynyl-1-trityl-1H-imidazole 223419-74-7 C31H32N2
    4-Non-3-ynyl-1-trityl-1H-imidazole
    —— (4-hydrazinocarbonyl-phenyl)-acetic acid 52787-18-5 C9H10N2O3
    (4-hydrazinocarbonyl-phenyl)-acetic acid
    —— (4R,5S)-3-(benzyl)-(4-methylbenzenesulfonyloxymethyl)-4-phenyloxazolidin-2-one 223384-33-6 C24H23NO5S
    (4R,5S)-3-(benzyl)-(4-methylbenzenesulfonyloxymethyl)-4-phenyloxazolidin-2-one
    —— 4-{[1-(3,4-dichloro-2-methyl-benzyl)-piperidin-4-ylcarbamoyl]-methylsulfanyl}-benzoic acid 948832-65-3 C22H24Cl2N2O3S
    4-{[1-(3,4-dichloro-2-methyl-benzyl)-piperidin-4-ylcarbamoyl]-methylsulfanyl}-benzoic acid
    —— 4-(2.4-Dimethoxy-phenyl)-5-(4-nitro-phenyl)-2-(4-diethylamino-styryl)-3-methyl-thiazolium 5960-18-9 C30H32N3O4S*I
    4-(2.4-Dimethoxy-phenyl)-5-(4-nitro-phenyl)-2-(4-diethylamino-styryl)-3-methyl-thiazolium
    —— (4R,9aR)-7-iodo-4-methyl-1,2,3,4,9,9a-hexahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl ester 823218-80-0 C16H22IN3O2
    (4R,9aR)-7-iodo-4-methyl-1,2,3,4,9,9a-hexahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl ester
    —— 4-oxo-3H-triazolo[4,5-g]quinazoline 1379232-64-0 C8H7N5O
    4-oxo-3H-triazolo[4,5-g]quinazoline
    —— (4-{(R)-[(2-chloro-3-trifluoromethyl-benzyl)-diphenylethyl-amino]-methyl-propoxy}-indol-1-yl)acetic acid hydrochloride 847990-73-2 C36H34ClF3N2O3*ClH
    (4-{(R)-[(2-chloro-3-trifluoromethyl-benzyl)-diphenylethyl-amino]-methyl-propoxy}-indol-1-yl)acetic acid hydrochloride
    —— 4'-methyl-biphenyl-4-sulfonic acid [3-(4-ethyl-morpholin-2-yl)-phenyl]-amide 1010383-67-1 C25H28N2O3S
    4'-methyl-biphenyl-4-sulfonic acid [3-(4-ethyl-morpholin-2-yl)-phenyl]-amide
    —— 4,8-diallyl-N-((3aR,5S,6R,6aR)-5-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-6-yl)dibenzo[d,f][1,3,2]dioxaphosphepin-6-amine 1199553-35-9 C30H36NO7P
    4,8-diallyl-N-((3aR,5S,6R,6aR)-5-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-6-yl)dibenzo[d,f][1,3,2]dioxaphosphepin-6-amine
    —— (4S,5S)-4-(Methanesulfonyl-methyl-amino)-5-(2-methyl-propenyl)-4,5-dihydro-3H-benzo[cd]indole-1-carboxylic acid methyl ester 79133-75-8 C19H24N2O4S
    (4S,5S)-4-(Methanesulfonyl-methyl-amino)-5-(2-methyl-propenyl)-4,5-dihydro-3H-benzo[cd]indole-1-carboxylic acid methyl ester
    —— 4-chloromethyl-2-[2-(2-methylphenoxymethyl)phenyl]-[1,3]-thiazole 1397689-26-7 C18H16ClNOS
    4-chloromethyl-2-[2-(2-methylphenoxymethyl)phenyl]-[1,3]-thiazole
    —— 4,4,5,5-tetramethyl-2-(4-vinyloxy-butoxy)-[1,3,2]dioxaphospholane 26843-31-2 C12H23O4P
    4,4,5,5-tetramethyl-2-(4-vinyloxy-butoxy)-[1,3,2]dioxaphospholane
    —— 4-[2-(2,4-dimethylphenoxy)ethyl amino)-5-methylthio-6-methylthiomethylpyrimidine 147113-98-2 C17H23N3OS2
    4-[2-(2,4-dimethylphenoxy)ethyl amino)-5-methylthio-6-methylthiomethylpyrimidine
    —— 4-(cyanophenylthio)methylquinoline 1-oxide 110036-04-9 C17H12N2OS
    4-(cyanophenylthio)methylquinoline 1-oxide
    —— 4-[5-[5-Chloro-3-(trifluoromethyl)pyridin-2-yl]oxy-2-cyclopropylphenyl]-5-hydroxy-2,2,6,6-tetramethylpyran-3-one 1235559-64-4 C24H23ClF3NO4
    4-[5-[5-Chloro-3-(trifluoromethyl)pyridin-2-yl]oxy-2-cyclopropylphenyl]-5-hydroxy-2,2,6,6-tetramethylpyran-3-one
    —— 4-Chloro-N'-ethylsulfanyl-N,N-dimethyl-benzamidine 95213-62-0 C11H15ClN2S
    4-Chloro-N'-ethylsulfanyl-N,N-dimethyl-benzamidine
    —— 4-methylbenzaldehyde O-[1,3-bis(4-methylphenyl)prop-2-yn-1-yl]oxime 1388624-49-4 C25H23NO
    4-methylbenzaldehyde O-[1,3-bis(4-methylphenyl)prop-2-yn-1-yl]oxime
    —— 4-o-Tolylazo-benzo[1,2,5]oxadiazol-5-ol 21036-09-9 C13H10N4O2
    4-o-Tolylazo-benzo[1,2,5]oxadiazol-5-ol
    —— 4,5-Bis-(methylamino)-6-nitrocinnolin 46782-74-5 C10H11N5O2
    4,5-Bis-(methylamino)-6-nitrocinnolin
    —— 4-Bromo-2-chloromethyl-1-ethoxy-benzene; compound with 1,3,5,7-tetraaza-tricyclo[3.3.1.1<sup>3,7</sup>]decane 22297-47-8 C6H12N4*C9H10BrClO
    4-Bromo-2-chloromethyl-1-ethoxy-benzene; compound with 1,3,5,7-tetraaza-tricyclo[3.3.1.1<sup>3,7</sup>]decane
    —— 4-Methylmercapto-6-nitrocinnolin 18275-30-4 C9H7N3O2S
    4-Methylmercapto-6-nitrocinnolin
    —— (+/-)-4,4'-Diacetoxy-flavan 94303-18-1 C19H18O5
    (+/-)-4,4'-Diacetoxy-flavan
    —— (4aS,7aR,9cS)-9c-(2-Dimethylamino-ethyl)-3-methoxy-4a,6,7,9c-tetrahydro-5H-phenanthro[4,5-bcd]furan-7a-ol 15357-91-2 C19H25NO3
    (4aS,7aR,9cS)-9c-(2-Dimethylamino-ethyl)-3-methoxy-4a,6,7,9c-tetrahydro-5H-phenanthro[4,5-bcd]furan-7a-ol
    —— 4-<4-Chlor-phenylazo>-N-methyl-N-<3-chlor-2-hydroxy-propyl>-anilin 74229-89-3 C16H17Cl2N3O
    4-<4-Chlor-phenylazo>-N-methyl-N-<3-chlor-2-hydroxy-propyl>-anilin
    —— 4,4'-(5-Chloro-4-(4-hydroxybenzyl)-1H-imidazole-1,2-diyl)diphenol 885268-49-5 C22H17ClN2O3
    4,4'-(5-Chloro-4-(4-hydroxybenzyl)-1H-imidazole-1,2-diyl)diphenol
    —— 4-(1,2,3,4,5,6,7,8-octahydro-[9]anthryl)-butyric acid 94394-46-4 C18H24O2
    4-(1,2,3,4,5,6,7,8-octahydro-[9]anthryl)-butyric acid
    —— 4-fluoro-3-nitrobenzylsulfonylacetic acid 1330633-55-0 C9H8FNO6S
    4-fluoro-3-nitrobenzylsulfonylacetic acid
    —— 4-(2-chlorophenylthio)benzoyl chloride 141358-12-5 C13H8Cl2OS
    4-(2-chlorophenylthio)benzoyl chloride
    —— 4-amino-3,5-dimethyl-1-trityl-1H-pyrazole 1445972-41-7 C24H23N3
    4-amino-3,5-dimethyl-1-trityl-1H-pyrazole
    —— 4-Acetyl-5-[4-((1S,5R,6R)-6-acetyl-1-benzyloxycarbonyl-5-methyl-4-oxo-2,3-diphenyl-bicyclo[3.1.0]hex-2-en-6-yl)-1-methyl-1H-imidazol-2-yl]-3-methyl-1H-pyrrole-2-carboxylic acid benzyl ester 131213-33-7 C48H41N3O7
    4-Acetyl-5-[4-((1S,5R,6R)-6-acetyl-1-benzyloxycarbonyl-5-methyl-4-oxo-2,3-diphenyl-bicyclo[3.1.0]hex-2-en-6-yl)-1-methyl-1H-imidazol-2-yl]-3-methyl-1H-pyrrole-2-carboxylic acid benzyl ester
    —— 4-n-pentadecyloxy-3-methoxybenzoic acid 79294-55-6 C23H38O4
    4-n-pentadecyloxy-3-methoxybenzoic acid
    —— 4'-methyl-10'-trimethylsilyloxyspiro[1,3-dioxolane-2,12'-tricyclo[6.2.2.02,7]dodeca-4,9-diene]-3',6'-dione 136506-45-1 C18H24O5Si
    4'-methyl-10'-trimethylsilyloxyspiro[1,3-dioxolane-2,12'-tricyclo[6.2.2.02,7]dodeca-4,9-diene]-3',6'-dione
    —— 4-(3-chloropyridin-2-yl)-N-(6-chloropyridin-3-yl)-3-fluorobenzamide 849755-14-2 C17H10Cl2FN3O
    4-(3-chloropyridin-2-yl)-N-(6-chloropyridin-3-yl)-3-fluorobenzamide
    —— 4-p-tolylazo-2-{[3-(2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undec-1-yl)propylimino]methyl}phenol 1612160-52-7 C23H30N4O4Si
    4-p-tolylazo-2-{[3-(2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undec-1-yl)propylimino]methyl}phenol
    —— 4-(3,4-dimethoxyphenoxy)benzeneboronic acid 1029438-89-8 C14H15BO5
    4-(3,4-dimethoxyphenoxy)benzeneboronic acid
    —— 4,5α-epoxy-7-hydroxy-3,6-dimethoxy-17-methyl-6α,14α-etheno-morphinane-7ξ-carboxylic acid hydrazide 28304-62-3 C22H27N3O5
    4,5α-epoxy-7-hydroxy-3,6-dimethoxy-17-methyl-6α,14α-etheno-morphinane-7ξ-carboxylic acid hydrazide
    —— 4-(7-chloro-3,4-dihydroisoquinolin-2(1H)-ylsulfonyl)-7-(3-methoxyphenylthio)benzo[c][1,2,5]oxadiazole 1062657-82-2 C22H18ClN3O4S2
    4-(7-chloro-3,4-dihydroisoquinolin-2(1H)-ylsulfonyl)-7-(3-methoxyphenylthio)benzo[c][1,2,5]oxadiazole
    —— 4-Aethyl-4-phenyl-itaconsaeureanhydrid 100397-16-8 C13H12O3
    4-Aethyl-4-phenyl-itaconsaeureanhydrid
    —— 4-Ethylenimino-penten-(1)-ol-(3) 102073-98-3 C7H13NO
    4-Ethylenimino-penten-(1)-ol-(3)
    —— 4-(p-chlorophenyl)-2-(2-naphthyl)pyrido[2,3-b]indolizine-10-carbonitrile 1133220-76-4 C28H16ClN3
    4-(p-chlorophenyl)-2-(2-naphthyl)pyrido[2,3-b]indolizine-10-carbonitrile
    —— 4-(N-(4-bromobutyl)carbamoylmethyl)-5,6,7,8-tetrahydrophthalazin-1(2H)-one 590404-62-9 C14H20BrN3O2
    4-(N-(4-bromobutyl)carbamoylmethyl)-5,6,7,8-tetrahydrophthalazin-1(2H)-one
    —— 4,9-Dimethyl-5,8-dihydroxy-dodecadien-(2,10)-disaeure-(1,12)-dilacton 106591-84-8 C14H18O4
    4,9-Dimethyl-5,8-dihydroxy-dodecadien-(2,10)-disaeure-(1,12)-dilacton
    —— 4-Oxo-2-(3-phenyl-propyl)-heptanedioic acid 94300-64-8 C16H20O5
    4-Oxo-2-(3-phenyl-propyl)-heptanedioic acid
    —— 4-Butylmercapto-pyridin-2,6-dicarbonsaeurediethylester 10168-23-7 C15H21NO4S
    4-Butylmercapto-pyridin-2,6-dicarbonsaeurediethylester
    —— 4-Nitro-benzoesaeure-elliotinylester 1446-99-7 C27H35NO4
    4-Nitro-benzoesaeure-elliotinylester
    —— 4-[1-aminomethylidene]-2-benzothiazol-2-yl-5-(3-fluorophenyl)-2,4-dihydropyrazol-3-one 1452794-07-8 C17H11FN4OS
    4-[1-aminomethylidene]-2-benzothiazol-2-yl-5-(3-fluorophenyl)-2,4-dihydropyrazol-3-one
    —— 4-(5-Fluoro-2-methyl-benzenesulfonyl)-6-methoxy-8-piperazin-1-yl-3,4-dihydro-2H-benzo[1,4]oxazine, trifluoroacetic acid salt 625394-22-1 C2HF3O2*C20H24FN3O4S
    4-(5-Fluoro-2-methyl-benzenesulfonyl)-6-methoxy-8-piperazin-1-yl-3,4-dihydro-2H-benzo[1,4]oxazine, trifluoroacetic acid salt