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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (4S,5R)-streptopyrrolidine 1269516-02-0 C11H13NO2
    (4S,5R)-streptopyrrolidine
    —— 4-methyl-7-methoxy-4-heptenol 851118-53-1 C9H18O2
    4-methyl-7-methoxy-4-heptenol
    —— 4-((1,3-dioxolan-2-yl)methyl)-N'-hydroxybenzimidamide 1416070-02-4 C11H14N2O3
    4-((1,3-dioxolan-2-yl)methyl)-N'-hydroxybenzimidamide
    —— 4-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecylsulfanyl)-2-methyl-1,2-dihydroisoquinolin-3(4H)-one 847550-42-9 C20H14F17NOS
    4-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecylsulfanyl)-2-methyl-1,2-dihydroisoquinolin-3(4H)-one
    —— 4-Ethylmethylamino-alpha-methylphenethylamine dihydrochloride 55875-61-1 C12H22Cl2N2
    4-Ethylmethylamino-alpha-methylphenethylamine dihydrochloride
    —— 4-N-[2-(dimethylamino)ethyl]-6-methoxy-2-N-methyl-5-methylsulfanyl-2-N-phenylpyrimidine-2,4-diamine;hydron;bromide —— C17H26BrN5OS
    4-N-[2-(dimethylamino)ethyl]-6-methoxy-2-N-methyl-5-methylsulfanyl-2-N-phenylpyrimidine-2,4-diamine;hydron;bromide
    —— 4-hydroxy-3-(1-phenyl-2-acetylethyl)-7-p-tolyl-8-phenyl-2H-thieno(3,2-h)chromen-2-one 1092362-97-4 C34H26O4S
    4-hydroxy-3-(1-phenyl-2-acetylethyl)-7-p-tolyl-8-phenyl-2H-thieno(3,2-h)chromen-2-one
    —— 4-Biphenylyl-propenyl-keton 71823-67-1 C16H14O
    4-Biphenylyl-propenyl-keton
    —— 4-(2-aminopropyl)-N-ethylaniline;hydron;dichloride —— C11H20Cl2N2
    4-(2-aminopropyl)-N-ethylaniline;hydron;dichloride
    —— 4-Methyl-3,4-dihydropyrimido<1,2-a>perimidin-2(1H)-one 126806-81-3 C15H13N3O
    4-Methyl-3,4-dihydropyrimido<1,2-a>perimidin-2(1H)-one
    —— (4R,6R)-(6-[2-[4-benzyloxycarbonylamino-2-(4-fluoro-phenyl)-5-isopropyl-imidazol-1-yl]-ethyl]-2,2-dimethyl-[1,3]dioxan-4-yl)-acetic acid tert-butyl ester 867309-00-0 C34H44FN3O6
    (4R,6R)-(6-[2-[4-benzyloxycarbonylamino-2-(4-fluoro-phenyl)-5-isopropyl-imidazol-1-yl]-ethyl]-2,2-dimethyl-[1,3]dioxan-4-yl)-acetic acid tert-butyl ester
    —— [4-nitro-4'-(trifluoromethyl)-3-biphenylyl]methanol 912954-16-6 C14H10F3NO3
    [4-nitro-4'-(trifluoromethyl)-3-biphenylyl]methanol
    —— [4S-4α,8α]-1,6-dioxo-8-methyl-4-phenyl-1,3,4,6,7,8-hexahydropyrido[2,1-c][1,4]oxazine-9-carboxylic acid methyl ester 181638-38-0 C17H17NO5
    [4S-4α,8α]-1,6-dioxo-8-methyl-4-phenyl-1,3,4,6,7,8-hexahydropyrido[2,1-c][1,4]oxazine-9-carboxylic acid methyl ester
    —— 4,5-diacetamidoacridine-9(10H)-one 357622-07-2 C17H15N3O3
    4,5-diacetamidoacridine-9(10H)-one
    —— 4-(6-cyano-5-oxo-4-phenyl-3-thioxo-4,5-dihydro-3H-[1,2,4]triazin-2-yl)-N-[2-(saccharin-2-yl)acetyl]benzenesulfonamide 1196445-57-4 C25H16N6O7S3
    4-(6-cyano-5-oxo-4-phenyl-3-thioxo-4,5-dihydro-3H-[1,2,4]triazin-2-yl)-N-[2-(saccharin-2-yl)acetyl]benzenesulfonamide
    —— 4,5,6,7-tetrahydro-4,4,4',4',6,6,6',6'-octamethylspiro<1,3-benzoxaselenole-2,1'-cyclohexane>-2',3',7-trione 69507-81-9 C20H28O4Se
    4,5,6,7-tetrahydro-4,4,4',4',6,6,6',6'-octamethylspiro<1,3-benzoxaselenole-2,1'-cyclohexane>-2',3',7-trione
    —— (4S)-3,4-dihydro-2H-1-benzothiopyran-4-amine 314081-28-2 C9H11NS
    (4S)-3,4-dihydro-2H-1-benzothiopyran-4-amine
    —— (4-(tert-Butyl-dimethyl-silanyloxy)-1-methyl-cyclohexyl)-carbamic acid benzyl ester 676560-18-2 C21H35NO3Si
    (4-(tert-Butyl-dimethyl-silanyloxy)-1-methyl-cyclohexyl)-carbamic acid benzyl ester
    —— 4-(2-furyl)-1-methyl-6-oxo-2-[3,4,6-trioxo-1,2,3,4,5,6-hexahydro-pyrano[2,3-c]pyrazol-2-yl]-1,6-dihydropyrimidine-5-carbonitrile 1449008-59-6 C16H9N5O6
    4-(2-furyl)-1-methyl-6-oxo-2-[3,4,6-trioxo-1,2,3,4,5,6-hexahydro-pyrano[2,3-c]pyrazol-2-yl]-1,6-dihydropyrimidine-5-carbonitrile
    —— 4-(tert-Butyl-dimethyl-silanyloxy)-1-methyl-cyclohexanecarboxylic acid 676560-17-1 C14H28O3Si
    4-(tert-Butyl-dimethyl-silanyloxy)-1-methyl-cyclohexanecarboxylic acid
    —— (4aR,6S,7R,8R,8as)-4a,7,8,8a-tetrahydro-7-hydroxy-3,4a,6,8-tetramethylpyrano[3,2-b]pyran-2-one 1039034-47-3 C12H18O4
    (4aR,6S,7R,8R,8as)-4a,7,8,8a-tetrahydro-7-hydroxy-3,4a,6,8-tetramethylpyrano[3,2-b]pyran-2-one
    —— 4-{allyl-[2-(3-bromo-phenyl)-ethyl]-carbamoyl}-pent-4-enoic acid methyl ester 1415411-02-7 C18H22BrNO3
    4-{allyl-[2-(3-bromo-phenyl)-ethyl]-carbamoyl}-pent-4-enoic acid methyl ester
    —— 4-(2-aminopropyl)-N,N-dimethylaniline dihydrochloride 55875-55-3 C11H20Cl2N2
    4-(2-aminopropyl)-N,N-dimethylaniline dihydrochloride
    —— 4-[allyl-(3-bromo-benzyl)-carbamoyl]-pent-4-enoic acid methyl ester 1415410-90-0 C17H20BrNO3
    4-[allyl-(3-bromo-benzyl)-carbamoyl]-pent-4-enoic acid methyl ester
    —— 4-chloro-2,6-difluorobenzamide 886500-36-3 C7H4ClF2NO
    4-chloro-2,6-difluorobenzamide
    —— 4-amino-N-[5-[(3-amino-3-oxopropyl)carbamoyl]-1-methylpyrrol-3-yl]-1-methylpyrrole-2-carboxamide;hydron;chloride —— C15H21ClN6O3
    4-amino-N-[5-[(3-amino-3-oxopropyl)carbamoyl]-1-methylpyrrol-3-yl]-1-methylpyrrole-2-carboxamide;hydron;chloride
    —— 4-m-Trifluormethylanilinopyridin-3-N-formylsulfonamid 56175-87-2 C13H10F3N3O3S
    4-m-Trifluormethylanilinopyridin-3-N-formylsulfonamid
    —— 4-(3,5-dicyano-4-oxo-6-phenyl-4H-pyridazin-1-yl)-N-[2-(saccharin-2-yl)acetyl]benzenesulfonamide 1196445-55-2 C27H16N6O7S2
    4-(3,5-dicyano-4-oxo-6-phenyl-4H-pyridazin-1-yl)-N-[2-(saccharin-2-yl)acetyl]benzenesulfonamide
    —— 4-(5-acetyl-4-amino-6-methyl-2-oxo-2H-pyran-3-ylazo)-N-[2-(saccharin-2-yl)acetyl]benzenesulfonamide 1196445-50-7 C23H19N5O9S2
    4-(5-acetyl-4-amino-6-methyl-2-oxo-2H-pyran-3-ylazo)-N-[2-(saccharin-2-yl)acetyl]benzenesulfonamide
    —— 4-m-Nitroanilinopyridin-3-sulfonamid 56175-93-0 C11H10N4O4S
    4-m-Nitroanilinopyridin-3-sulfonamid
    —— (4-Methylthiophenyl)guanidin-nitrat 71198-46-4 C8H11N3S*HNO3
    (4-Methylthiophenyl)guanidin-nitrat
    —— 4,7-Methano-1H-isoindole-1,3(2H)-dione, 3a,4,7,7a-tetrahydro-2-(4-(4-(dimethylamino)-2-butynyl)phenyl)-, monohydrochloride 55680-86-9 C21H23ClN2O2
    4,7-Methano-1H-isoindole-1,3(2H)-dione, 3a,4,7,7a-tetrahydro-2-(4-(4-(dimethylamino)-2-butynyl)phenyl)-, monohydrochloride
    —— 4-[2-(diethylamino)ethyl]pyrazino[2,3-b][1,4]thiazin-3-one;hydron;chloride —— C12H19ClN4OS
    4-[2-(diethylamino)ethyl]pyrazino[2,3-b][1,4]thiazin-3-one;hydron;chloride
    —— 4-acetyl-benzo-9-crown-3 ether 346405-39-8 C12H14O4
    4-acetyl-benzo-9-crown-3 ether
    —— (4S)-3,3-difluoro-4-phenyl-1-(1-phenylvinyl)azetidin-2-one 252681-06-4 C17H13F2NO
    (4S)-3,3-difluoro-4-phenyl-1-(1-phenylvinyl)azetidin-2-one
    —— 4-(N-(4-bromophenyl)-4-carbonochloridoylanilino)benzoyl chloride 1149431-43-5 C20H12BrCl2NO2
    4-(N-(4-bromophenyl)-4-carbonochloridoylanilino)benzoyl chloride
    —— [4-(5-bromo-furan-2-carbonyl)-2,3-dichloro-phenoxy]-acetic acid 55901-73-0 C13H7BrCl2O5
    [4-(5-bromo-furan-2-carbonyl)-2,3-dichloro-phenoxy]-acetic acid
    —— 4-Isopropyl-6-[4-(1-methyl-1H-indol-5-yl)-5-phenylamino-4H-[1,2,4]triazol-3-yl]-benzene-1,3-diol 958888-09-0 C26H25N5O2
    4-Isopropyl-6-[4-(1-methyl-1H-indol-5-yl)-5-phenylamino-4H-[1,2,4]triazol-3-yl]-benzene-1,3-diol
    —— 4-(4-benzyloxy-6-chloropyrimidin-2-yl)morpholine 1155306-52-7 C15H16ClN3O2
    4-(4-benzyloxy-6-chloropyrimidin-2-yl)morpholine
    —— 4-hydroxy-3-(1-(p-hydroxyphenyl)-2-acetylethyl)-7,8-diphenyl-2H-thieno(3,2-h)chromen-2-one 1092362-92-9 C33H24O5S
    4-hydroxy-3-(1-(p-hydroxyphenyl)-2-acetylethyl)-7,8-diphenyl-2H-thieno(3,2-h)chromen-2-one
    —— 4-hydroxy-3-(1-phenyl-2-acetylethyl)-7-(p-bromophenyl)-8-phenyl-2H-thieno(3,2-h)chromen-2-one 1092362-94-1 C33H23BrO4S
    4-hydroxy-3-(1-phenyl-2-acetylethyl)-7-(p-bromophenyl)-8-phenyl-2H-thieno(3,2-h)chromen-2-one
    —— 4-(2-aminopropyl)-N,N,3-trimethylaniline;hydron;dichloride —— C12H22Cl2N2
    4-(2-aminopropyl)-N,N,3-trimethylaniline;hydron;dichloride
    —— 4-(<i>trans</i>-2-nitro-vinyl)-aniline 142059-35-6 C8H8N2O2
    4-(<i>trans</i>-2-nitro-vinyl)-aniline
    —— [4-((R)-4-Oxo-1-phenyl-3,4,6,7-tetrahydro-[1,4]diazepino[6,7,1-hi]indol-3-ylcarbamoyl)-pyridin-3-yl]-carbamic acid tert-butyl ester 179024-28-3 C28H27N5O4
    [4-((R)-4-Oxo-1-phenyl-3,4,6,7-tetrahydro-[1,4]diazepino[6,7,1-hi]indol-3-ylcarbamoyl)-pyridin-3-yl]-carbamic acid tert-butyl ester
    —— 4-Methoxin-3-ethylbenzylalkohol 56911-74-1 C10H14O2
    4-Methoxin-3-ethylbenzylalkohol
    —— 4-[4-bromo(4-carboxyphenyl)anilino]benzoic acid 1149431-42-4 C20H14BrNO4
    4-[4-bromo(4-carboxyphenyl)anilino]benzoic acid
    —— (4R,5R)-2-phenyl-4,5-dimethoxycarbonyloxazoline 683228-01-5 C13H13NO5
    (4R,5R)-2-phenyl-4,5-dimethoxycarbonyloxazoline
    —— 4-((but-3-en-1-ylamino)methyl)benzonitrile 1258215-68-7 C12H14N2
    4-((but-3-en-1-ylamino)methyl)benzonitrile
    —— 4,4,8,8-tetraoxo-4λ<sup>6</sup>,8λ<sup>6</sup>-dithia-undecanedioic acid 101870-96-6 C9H16O8S2
    4,4,8,8-tetraoxo-4λ<sup>6</sup>,8λ<sup>6</sup>-dithia-undecanedioic acid
    —— 4,5-di-(3'-methoxyphenyl)-octane 68266-32-0 C22H30O2
    4,5-di-(3'-methoxyphenyl)-octane