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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— [4-(2,4-dioxo-1,4-dihydro-2H-quinazolin-3-yl)-phenyl]-acetic acid ethyl ester 1052723-39-3 C18H16N2O4
    [4-(2,4-dioxo-1,4-dihydro-2H-quinazolin-3-yl)-phenyl]-acetic acid ethyl ester
    —— 4-nitroacetophenone 4-methoxyphenylhydrazone 89671-58-9 C15H15N3O3
    4-nitroacetophenone 4-methoxyphenylhydrazone
    —— (4R)-N-(1-benzyl-1H-pyrazol-4-yl)-4-methyl-1-oxo-1,2,3,4-tetrahydropyrazino[1,2-a]indole-7-carboxamide 1311367-64-2 C23H21N5O2
    (4R)-N-(1-benzyl-1H-pyrazol-4-yl)-4-methyl-1-oxo-1,2,3,4-tetrahydropyrazino[1,2-a]indole-7-carboxamide
    —— 4-(2-hydroxy-3,5-dimethyl-phenyl)-2-(2-methoxycarbonyl-6,8-dimethyl-4-oxo-chroman-3-yl)-4-oxo-butyric acid methyl ester 103212-39-1 C26H28O8
    4-(2-hydroxy-3,5-dimethyl-phenyl)-2-(2-methoxycarbonyl-6,8-dimethyl-4-oxo-chroman-3-yl)-4-oxo-butyric acid methyl ester
    —— 4,5-bis(methylsulfanyl)-N-(2-nitrophenyl)sulfanyl-1,3-dithiol-2-imine 85462-21-1 C11H10N2O2S5
    4,5-bis(methylsulfanyl)-N-(2-nitrophenyl)sulfanyl-1,3-dithiol-2-imine
    —— 4-[(3-methyloxymethoxyphenyl)oxomethyl]tetrahydropyran 156353-02-5 C14H18O4
    4-[(3-methyloxymethoxyphenyl)oxomethyl]tetrahydropyran
    —— 4-[(3-Chloro-4-fluorophenyl)amino]-6-[4-(1-piperidinylmethyl)cyclohexylamino]pyrimido[5,4-d]pyrimidine 1230890-83-1 C24H29ClFN7
    4-[(3-Chloro-4-fluorophenyl)amino]-6-[4-(1-piperidinylmethyl)cyclohexylamino]pyrimido[5,4-d]pyrimidine
    —— 4-[(3aR,4R,6R,6aR)-6-(hydroxymethyl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl]-3-oxo-3,4-dihydro-2-pyrazinecarboxamide 499785-60-3 C13H17N3O6
    4-[(3aR,4R,6R,6aR)-6-(hydroxymethyl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl]-3-oxo-3,4-dihydro-2-pyrazinecarboxamide
    —— 4-Nitro-thiobenzoic acid S-[2-(2-nitro-phenoxymethyl)-butyl] ester 38471-04-4 C18H18N2O6S
    4-Nitro-thiobenzoic acid S-[2-(2-nitro-phenoxymethyl)-butyl] ester
    —— 4-Benzoylimino-5-benzoyloxyimino-1,3-dimethyl-uracil 15030-36-1 C20H16N4O5
    4-Benzoylimino-5-benzoyloxyimino-1,3-dimethyl-uracil
    —— 4-[(<i>N</i>-acetyl-glycyl)-amino]-<i>N</i>-(7(9)<i>H</i>-purin-6-yl)-4-deoxy-heptopyranosylamine 13421-68-6 C16H23N7O7
    4-[(<i>N</i>-acetyl-glycyl)-amino]-<i>N</i>-(7(9)<i>H</i>-purin-6-yl)-4-deoxy-heptopyranosylamine
    —— 4-<6-Hydroxy-9H-purin-9-yl>-benzol-1-arsonsaeure 17053-70-2 C11H9AsN4O4
    4-<6-Hydroxy-9H-purin-9-yl>-benzol-1-arsonsaeure
    —— 4-Ethylamino-4-methyl-1-phenyl-hexan-3-ol; hydrochloride 13884-11-2 C15H25NO*ClH
    4-Ethylamino-4-methyl-1-phenyl-hexan-3-ol; hydrochloride
    —— (4-benzo[1,2,5]thiadiazol-5-yl-phenyl)-methyl-carbamic acid tert-butyl ester 774604-29-4 C18H19N3O2S
    (4-benzo[1,2,5]thiadiazol-5-yl-phenyl)-methyl-carbamic acid tert-butyl ester
    —— 4-(phenyl-pyridin-2-ylmethoxy)-1-[3-(2-methanesulfonylaminophenoxy)propyl]piperidine 148668-90-0 C27H33N3O4S
    4-(phenyl-pyridin-2-ylmethoxy)-1-[3-(2-methanesulfonylaminophenoxy)propyl]piperidine
    —— 4-(1,4-dimethoxy-5,8-methano-5,6,7,8-tetrahydro-2-naphthyl)-4-hydroxy butyric acid 119028-83-0 C17H22O5
    4-(1,4-dimethoxy-5,8-methano-5,6,7,8-tetrahydro-2-naphthyl)-4-hydroxy butyric acid
    —— 4-(N,N-dihexylamino)-4'-(2,4,6-triisopropylbenzenesulfonamido)diphenylamine 85968-18-9 C39H59N3O2S
    4-(N,N-dihexylamino)-4'-(2,4,6-triisopropylbenzenesulfonamido)diphenylamine
    —— 4-(13,18-Ditert-butyl-28-pyridin-4-yl-3-heptacyclo[15.11.0.02,14.04,12.05,10.019,27.021,26]octacosa-1(17),2(14),3,5,7,9,12,15,18,21,23,25,27-tridecaenyl)pyridine 1224614-57-6 C46H40N2
    4-(13,18-Ditert-butyl-28-pyridin-4-yl-3-heptacyclo[15.11.0.02,14.04,12.05,10.019,27.021,26]octacosa-1(17),2(14),3,5,7,9,12,15,18,21,23,25,27-tridecaenyl)pyridine
    —— 4-Hydroxymethyl-4-methyl-cyclohexanecarboxylic acid ethyl ester 73845-94-0 C11H20O3
    4-Hydroxymethyl-4-methyl-cyclohexanecarboxylic acid ethyl ester
    —— 4-Bromo-1-phenyl-buta-2,3-dien-1-ol 53422-63-2 C10H9BrO
    4-Bromo-1-phenyl-buta-2,3-dien-1-ol
    —— (4-Benzenesulfonyl-phenylamino)-(4-nitro-phenyl)-acetonitrile 73305-33-6 C20H15N3O4S
    (4-Benzenesulfonyl-phenylamino)-(4-nitro-phenyl)-acetonitrile
    —— 4-(5-(2-methyl-5-((2S,3S,4R,5S,6R)-3,4,5-triacetoxy-6-(methylthio)tetrahydro-2H-pyran-2-yl)benzyl)thiophen-2-yl)benzoic acid 1373555-61-3 C31H32O9S2
    4-(5-(2-methyl-5-((2S,3S,4R,5S,6R)-3,4,5-triacetoxy-6-(methylthio)tetrahydro-2H-pyran-2-yl)benzyl)thiophen-2-yl)benzoic acid
    —— 4,5,6-Trichlor-2-cyano-1-methyl-benzimidazol 29974-29-6 C9H4Cl3N3
    4,5,6-Trichlor-2-cyano-1-methyl-benzimidazol
    —— (4aS,11aR,12aS,13S)-13-(dimethylamino)-4a-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-11a,12,12a,13-tetrahydro-5-hydroxy-3,7-bis(phenylmethoxy)-isoxazolo[5',4':6,7]naphth[2,3-g]-isoquinoline-4,6(4aH,11H)-dione 1254367-51-5 C40H45N3O7Si
    (4aS,11aR,12aS,13S)-13-(dimethylamino)-4a-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-11a,12,12a,13-tetrahydro-5-hydroxy-3,7-bis(phenylmethoxy)-isoxazolo[5',4':6,7]naphth[2,3-g]-isoquinoline-4,6(4aH,11H)-dione
    —— 4-(4-bromobenzylidene)-1-(3-fluorocyclobutyl)piperidine 1425972-24-2 C16H19BrFN
    4-(4-bromobenzylidene)-1-(3-fluorocyclobutyl)piperidine
    —— (4-chloropyrimidin-2-yl)methanamine hydrochloride 1646556-93-5 C5H6ClN3*ClH
    (4-chloropyrimidin-2-yl)methanamine hydrochloride
    —— 4-ethyl-6-((4-(4-(2-methoxyphenyl)piperazin-1-yl)butyl)amino)-2-methyl-1,2,4-triazine-3,5(2H,4H)-dione 1351409-35-2 C21H32N6O3
    4-ethyl-6-((4-(4-(2-methoxyphenyl)piperazin-1-yl)butyl)amino)-2-methyl-1,2,4-triazine-3,5(2H,4H)-dione
    —— 4-(10,12-dioxo-10,12-dihydro-diindeno[1,2-<i>b</i>;2',1'-<i>e</i>]pyridine-11-carbonyl)-morpholine 37472-58-5 C24H16N2O4
    4-(10,12-dioxo-10,12-dihydro-diindeno[1,2-<i>b</i>;2',1'-<i>e</i>]pyridine-11-carbonyl)-morpholine
    —— 4-(5-(5-tert-butyl-2-methoxybenzamido)-2-methylpyridin-3-yl)phenyl acetate 1008134-66-4 C26H28N2O4
    4-(5-(5-tert-butyl-2-methoxybenzamido)-2-methylpyridin-3-yl)phenyl acetate
    —— 4-[2,2-Difluoro-1-(4-methoxy-phenyl)-eth-(Z)-ylidene]-2-phenyl-4H-oxazol-5-one 114829-11-7 C18H13F2NO3
    4-[2,2-Difluoro-1-(4-methoxy-phenyl)-eth-(Z)-ylidene]-2-phenyl-4H-oxazol-5-one
    —— 4-(5-isopropyl-6-methoxymethoxy-2'-nitrobiphenyl-3-ylmethyl)-3,5-dimethylphenol 417871-60-4 C26H29NO5
    4-(5-isopropyl-6-methoxymethoxy-2'-nitrobiphenyl-3-ylmethyl)-3,5-dimethylphenol
    —— {4-[(1R,3S)-3-{(tert-butoxycarbonyl)[(1R)-1-(naphthalen-1-yl)ethyl]amino}cyclopentyl]phenyl}acetic acid 1211473-05-0 C30H35NO4
    {4-[(1R,3S)-3-{(tert-butoxycarbonyl)[(1R)-1-(naphthalen-1-yl)ethyl]amino}cyclopentyl]phenyl}acetic acid
    —— 4-{4-[(2-tert-butylphenoxy)ethyl]piperidin-1-yl}-4-oxobutanoic acid 1146958-18-0 C21H31NO4
    4-{4-[(2-tert-butylphenoxy)ethyl]piperidin-1-yl}-4-oxobutanoic acid
    —— 4-[8-(2-chloro-benzenesulfonyl)-1-oxo-2,8-diaza-spiro[4.5]dec-2-yl]-N-isopropyl-N-methyl-benzamide 1255713-53-1 C25H30ClN3O4S
    4-[8-(2-chloro-benzenesulfonyl)-1-oxo-2,8-diaza-spiro[4.5]dec-2-yl]-N-isopropyl-N-methyl-benzamide
    —— (4S)-5-acetyl-8-chloro-4-(4-nitrophenyl)-4,5-dihydro-1H-[1,5]benzodiazepin-2(3H)-one 1261084-26-7 C17H14ClN3O4
    (4S)-5-acetyl-8-chloro-4-(4-nitrophenyl)-4,5-dihydro-1H-[1,5]benzodiazepin-2(3H)-one
    —— 4'-[2-(Isopropylamino)ethoxy]-3-methoxypropananilide Hydrochloride 253339-08-1 C15H24N2O3*ClH
    4'-[2-(Isopropylamino)ethoxy]-3-methoxypropananilide Hydrochloride
    —— 4,6-O-isopropylidene-1,2,3-tri-O-(methoxymethyl)-D-glycero-L-talo-heptitol 1305317-86-5 C16H32O10
    4,6-O-isopropylidene-1,2,3-tri-O-(methoxymethyl)-D-glycero-L-talo-heptitol
    —— 4-Cyan-1-ethyl-2,6-dimethylpyridinium-iodid 54367-21-4 C10H13N2*I
    4-Cyan-1-ethyl-2,6-dimethylpyridinium-iodid
    —— 4-(5,6-dihydro-4<i>H</i>-[1,3]thiazin-2-yl)-4-nitro-butyronitrile 60822-27-7 C8H11N3O2S
    4-(5,6-dihydro-4<i>H</i>-[1,3]thiazin-2-yl)-4-nitro-butyronitrile
    —— 4-(5-propan-2-yl-1H-pyrazol-4-yl)-N-(3-pyrrolidin-1-ylpropyl)pyridin-2-amine 1160103-53-6 C18H27N5
    4-(5-propan-2-yl-1H-pyrazol-4-yl)-N-(3-pyrrolidin-1-ylpropyl)pyridin-2-amine
    —— 4-(3-ethyl-1H-1,2,4-triazol-1-yl)aniline 1129540-87-9 C10H12N4
    4-(3-ethyl-1H-1,2,4-triazol-1-yl)aniline
    —— (4-Ethenylphenyl)methyl-trihexylazanium;chloride 56343-11-4 C27H48N*Cl
    (4-Ethenylphenyl)methyl-trihexylazanium;chloride
    —— 4,5,5-triethyl-2,5-dihydro-2,2,3-trimethyl-1-{(trimethylsilylimino)-λ4-sulfanylidene}-1H-1,2,5-azastannaboratole 130761-44-3 C14H33BN2SSiSn
    4,5,5-triethyl-2,5-dihydro-2,2,3-trimethyl-1-{(trimethylsilylimino)-λ4-sulfanylidene}-1H-1,2,5-azastannaboratole
    —— 4-(1,3-dimethyl-butylidene)-1,2-diphenyl-pyrazolidine-3,5-dione 115861-21-7 C21H22N2O2
    4-(1,3-dimethyl-butylidene)-1,2-diphenyl-pyrazolidine-3,5-dione
    —— 4-Methyl-1-benzyl-2.6-dioxo-piperazin 91566-90-4 C12H14N2O2
    4-Methyl-1-benzyl-2.6-dioxo-piperazin
    —— 4,6-Dimethoxy-3-<3.4-dimethoxy-phenyl>-2-<2.4.6-trimethoxy-benzyl>-2,3-dihydro-benzo<b>furan 2410-81-3 C28H32O8
    4,6-Dimethoxy-3-<3.4-dimethoxy-phenyl>-2-<2.4.6-trimethoxy-benzyl>-2,3-dihydro-benzo<b>furan
    —— 4-<Furoyl-(2)-amino>-nicotinsaeurehydrazid 16952-41-3 C11H10N4O3
    4-<Furoyl-(2)-amino>-nicotinsaeurehydrazid
    —— 4,5,10,11-Tetramethyl-dicyclohepta[cd,ij]-s-indacene 13203-82-2 C24H20
    4,5,10,11-Tetramethyl-dicyclohepta[cd,ij]-s-indacene
    —— 4β-Brom-5α,6α-epoxy-B-norcholestan-(3β)-ol 2454-57-1 C26H43BrO2
    4β-Brom-5α,6α-epoxy-B-norcholestan-(3β)-ol
    —— 4-ethoxy-2,7-dimethyl-4,5-dihydro-1<i>H</i>-azepine-3,6-dicarboxylic acid dimethyl ester 3168-67-0 C14H21NO5
    4-ethoxy-2,7-dimethyl-4,5-dihydro-1<i>H</i>-azepine-3,6-dicarboxylic acid dimethyl ester