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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(1H-imidazol-2-yl)-9H-fluorene-(R,S)-9-amine 1021018-35-8 C16H13N3
    4-(1H-imidazol-2-yl)-9H-fluorene-(R,S)-9-amine
    —— 4-methyl-1-(2,5,5-trimethyl-3-methylidenehexan-2-yl)-1,2,4-triazolidine-3,5-dione 132901-47-4 C13H23N3O2
    4-methyl-1-(2,5,5-trimethyl-3-methylidenehexan-2-yl)-1,2,4-triazolidine-3,5-dione
    —— 4-[3-(cyclopentylmethoxy)benzylidene]-N-(3,4-dimethylisoxazol-5-yl)piperidine-1-carboxamide 1190842-55-7 C24H31N3O3
    4-[3-(cyclopentylmethoxy)benzylidene]-N-(3,4-dimethylisoxazol-5-yl)piperidine-1-carboxamide
    —— (4-chloro-2-butoxy)trimethylsilane 18244-10-5 C7H17ClOSi
    (4-chloro-2-butoxy)trimethylsilane
    —— 4-Hydroxy-5,5-dimethyl-hex-1-en-1-carbonsaeure-ethylester 35262-81-8 C11H20O3
    4-Hydroxy-5,5-dimethyl-hex-1-en-1-carbonsaeure-ethylester
    —— 4β-Brom-5β-B-norcholestan-3β-ol 2552-25-2 C26H45BrO
    4β-Brom-5β-B-norcholestan-3β-ol
    —— 4, 4'-(4-methoxybenzylidene)-bis-[3-(4'-methoxybenzoyl)-1H-2-benzopyran-1-one] 1556096-87-7 C42H30O9
    4, 4'-(4-methoxybenzylidene)-bis-[3-(4'-methoxybenzoyl)-1H-2-benzopyran-1-one]
    —— 4-Hydroxy-1-(thiophen-2-sulfonylhydrazonomethyl)-benzol 79280-04-9 C11H10N2O3S2
    4-Hydroxy-1-(thiophen-2-sulfonylhydrazonomethyl)-benzol
    —— 4-(2-amino-6-(2-chloro-6-fluoroquinolin-3-yl)pyrimidin-4-yl)phenol 1414875-74-3 C19H12ClFN4O
    4-(2-amino-6-(2-chloro-6-fluoroquinolin-3-yl)pyrimidin-4-yl)phenol
    —— 4-ethoxy-1-methyl-2-(4-nitro-benzoyl)-1,2,3,4-tetrahydro-isoquinoline 109933-74-6 C19H20N2O4
    4-ethoxy-1-methyl-2-(4-nitro-benzoyl)-1,2,3,4-tetrahydro-isoquinoline
    —— 4-acetoxy-3-(4-methoxyphenyl)-2-(3,4,5-trimethoxyphenyl)-cyclopent-2-en-1-one 631900-95-3 C23H24O7
    4-acetoxy-3-(4-methoxyphenyl)-2-(3,4,5-trimethoxyphenyl)-cyclopent-2-en-1-one
    —— 4-methoxycarbonyldecyl-3,5-dimethyl-1H-pyrrole-2-carboxylic acid benzyl ester 887499-27-6 C26H37NO4
    4-methoxycarbonyldecyl-3,5-dimethyl-1H-pyrrole-2-carboxylic acid benzyl ester
    —— (4R)-3-[(1R)-1-methoxy-2-oxopropyl]-4-phenyl-1,3-oxazolidin-2-one 475627-54-4 C13H15NO4
    (4R)-3-[(1R)-1-methoxy-2-oxopropyl]-4-phenyl-1,3-oxazolidin-2-one
    —— 4-chloro-N-[2-(3,4-dihydroxyphenyl)-3-hydroxy-4-oxo-4H-chromen-6-yl]benzamide 260063-66-9 C22H14ClNO6
    4-chloro-N-[2-(3,4-dihydroxyphenyl)-3-hydroxy-4-oxo-4H-chromen-6-yl]benzamide
    —— 4-(2-Chlorophenyl)-2,2-dimethyl-5-{3-fluoro-4-(methylsulfinyl)phenyl}-3(2H)-furanone 301695-33-0 C19H16ClFO3S
    4-(2-Chlorophenyl)-2,2-dimethyl-5-{3-fluoro-4-(methylsulfinyl)phenyl}-3(2H)-furanone
    —— 4-(2-{[4-(1-hydroxycyclopentyl)-1H-1,2,3-triazol-1-yl]methyl}-4-methoxyphenyl)-5,7-dimethoxychromen-2-one 1174028-69-3 C26H27N3O6
    4-(2-{[4-(1-hydroxycyclopentyl)-1H-1,2,3-triazol-1-yl]methyl}-4-methoxyphenyl)-5,7-dimethoxychromen-2-one
    —— (4aR,8aR)-1-formyl-1,2,3,4,4a,5,6,7,8,8a-decahydro-8a-methylnaphthalene 180912-73-6 C12H20O
    (4aR,8aR)-1-formyl-1,2,3,4,4a,5,6,7,8,8a-decahydro-8a-methylnaphthalene
    —— 4-Acetyl-3-methoxyphenoxyessigsaeure 42017-99-2 C11H12O5
    4-Acetyl-3-methoxyphenoxyessigsaeure
    —— 4'-benzyloxy-2',5-dimethoxy-7-methoxymethoxyisoflavone 79571-09-8 C26H24O7
    4'-benzyloxy-2',5-dimethoxy-7-methoxymethoxyisoflavone
    —— 4-(2-ethyl-cyclohexyl)-1-phenyl-[1,2,4]triazolidine-3,5-dione 3657-80-5 C16H21N3O2
    4-(2-ethyl-cyclohexyl)-1-phenyl-[1,2,4]triazolidine-3,5-dione
    —— 4-bicyclo[2.2.0]hex-5-en-2-yl-1-phenyl-[1,2,4]triazolidine-3,5-dione 3657-68-9 C14H13N3O2
    4-bicyclo[2.2.0]hex-5-en-2-yl-1-phenyl-[1,2,4]triazolidine-3,5-dione
    —— [4-Nitro-3-(2,4,6-trichloro-phenoxythiocarbonylamino)-phenyl]-thiocarbamic acid O-(2,4,6-trichloro-phenyl) ester 31970-16-8 C20H9Cl6N3O4S2
    [4-Nitro-3-(2,4,6-trichloro-phenoxythiocarbonylamino)-phenyl]-thiocarbamic acid O-(2,4,6-trichloro-phenyl) ester
    —— 4-<N<sup>1</sup>-Acetyl-4-nitro-benzolsulfonylamino>-5,6-dimethoxy-pyrimidin 2121-47-3 C14H14N4O7S
    4-<N<sup>1</sup>-Acetyl-4-nitro-benzolsulfonylamino>-5,6-dimethoxy-pyrimidin
    —— 4-deuterio-1,3-ditellurole 86031-27-8 C3H4Te2
    4-deuterio-1,3-ditellurole
    —— 4-benzoyl-3-(p-tolyl)-2,4,5,7-tetrahydro-6H-pyrazolo[3,4-b]pyridin-6-one 1616511-97-7 C20H17N3O2
    4-benzoyl-3-(p-tolyl)-2,4,5,7-tetrahydro-6H-pyrazolo[3,4-b]pyridin-6-one
    —— 4-(1,1-difluoroethyl)-1-methylpiperidine 1134672-01-7 C8H15F2N
    4-(1,1-difluoroethyl)-1-methylpiperidine
    —— (4,6-di-piperidin-1-yl-[1,3,5]triazin-2-yl)-dihexyl-amine 95960-53-5 C25H46N6
    (4,6-di-piperidin-1-yl-[1,3,5]triazin-2-yl)-dihexyl-amine
    —— 4-Acetoxy-7-dodecyloxy-6-propoxy-quinoline-3-carboxylic acid ethyl ester 22461-25-2 C29H43NO6
    4-Acetoxy-7-dodecyloxy-6-propoxy-quinoline-3-carboxylic acid ethyl ester
    —— (4Z,8E)-4,8-Tetradecadien-1-ol 83489-14-9 C14H26O
    (4Z,8E)-4,8-Tetradecadien-1-ol
    —— 4'-Methoxy-3-methyl-3'-(5-phenyl-pentyloxy)-biphenyl-4-carboxylic acid methyl ester 158428-53-6 C27H30O4
    4'-Methoxy-3-methyl-3'-(5-phenyl-pentyloxy)-biphenyl-4-carboxylic acid methyl ester
    —— 4''-methoxyphenyl (E)-5-methylhex-2-enoate 1296207-53-8 C14H18O3
    4''-methoxyphenyl (E)-5-methylhex-2-enoate
    —— 4-(5-methyl-1H-1,2,3-triazol-1-yl)-3-nitroamino-1,2,5-oxadiazole 1382672-03-8 C5H5N7O3
    4-(5-methyl-1H-1,2,3-triazol-1-yl)-3-nitroamino-1,2,5-oxadiazole
    —— 4-hydroxy-2-propylpentanehydrazide 108372-06-1 C8H18N2O2
    4-hydroxy-2-propylpentanehydrazide
    —— (4S)-phenyl-3-[(4R,6R)-4,6-dimethyl-8-((2S)-N-methyl-2-methylbutyramido)-(E)-2-octenoyl]-2-oxazolidine 320743-01-9 C25H36N2O4
    (4S)-phenyl-3-[(4R,6R)-4,6-dimethyl-8-((2S)-N-methyl-2-methylbutyramido)-(E)-2-octenoyl]-2-oxazolidine
    —— 4-Hydroxy-3-n-propyl-4,6-dimethyl-hexahydro-pyrimidin-2-thion 27406-65-1 C9H18N2OS
    4-Hydroxy-3-n-propyl-4,6-dimethyl-hexahydro-pyrimidin-2-thion
    —— (4-{3-[2-(2-tert-butoxycarbonylamino-1-phenylethylamino)pyrimidin-4-yl]imidazo[1,2-a]pyrazin-8-ylamino}cyclohexyl)carbamic acid tert-butyl ester 1400670-53-2 C34H45N9O4
    (4-{3-[2-(2-tert-butoxycarbonylamino-1-phenylethylamino)pyrimidin-4-yl]imidazo[1,2-a]pyrazin-8-ylamino}cyclohexyl)carbamic acid tert-butyl ester
    —— (4aR,8aS)-8a-(2-methoxyphenyl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-amine 1425947-70-1 C14H18N2O2S
    (4aR,8aS)-8a-(2-methoxyphenyl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-amine
    —— 4-[2-(4-methyl-1,3-thiazol-5-yl)ethoxy]-2-nitroaniline 755033-36-4 C12H13N3O3S
    4-[2-(4-methyl-1,3-thiazol-5-yl)ethoxy]-2-nitroaniline
    —— 4-Methyl-1-azonia-2-boranuidacyclopentane 1392223-96-9 C4H12BN
    4-Methyl-1-azonia-2-boranuidacyclopentane
    —— 4-((4,5-diphenylpyridin-2-yl)(methyl)amino)butan-1-ol 1000337-60-9 C22H24N2O
    4-((4,5-diphenylpyridin-2-yl)(methyl)amino)butan-1-ol
    —— (4aS,7R)-4'-((S)-1-acetoxy-ethyl)-5'-oxo-1c-(tetra-O-acetyl-β-D-glucopyranosyloxy)-(4ar,7ac)-4a,5,6,7a-tetrahydro-1H,5'H-spiro[cyclopenta[c]pyran-7,2'-furan]-4-carboxylic acid methyl ester 122765-49-5 C31H38O17
    (4aS,7R)-4'-((S)-1-acetoxy-ethyl)-5'-oxo-1c-(tetra-O-acetyl-β-D-glucopyranosyloxy)-(4ar,7ac)-4a,5,6,7a-tetrahydro-1H,5'H-spiro[cyclopenta[c]pyran-7,2'-furan]-4-carboxylic acid methyl ester
    —— 4-Methylene-3,3-di-p-tolyl-[1,2]dioxane 128742-54-1 C19H20O2
    4-Methylene-3,3-di-p-tolyl-[1,2]dioxane
    —— 4-{4-[(5S)-5-(aminomethyl)-2-oxo-1,3-oxazolidin-3-yl]-2,6-difluorophenyl}-1λ<sup>6</sup>-thiomorpholine-1,1-dione 641635-13-4 C14H17F2N3O4S
    4-{4-[(5S)-5-(aminomethyl)-2-oxo-1,3-oxazolidin-3-yl]-2,6-difluorophenyl}-1λ<sup>6</sup>-thiomorpholine-1,1-dione
    —— 4-(Semicarbazidothiomethyl)xanthotoxin hydrochloride 105245-66-7 C14H13N3O4S*ClH
    4-(Semicarbazidothiomethyl)xanthotoxin hydrochloride
    —— 4-azido-N-(2-chlorophenyl)valeramide 1286232-20-9 C11H13ClN4O
    4-azido-N-(2-chlorophenyl)valeramide
    —— 4-{4-Acetyl-5-(trifluoromethyl)phenyl}-5-{4-(aminosulfonyl)phenyl}-2,2-dimethyl 3(2H)-furanone 301696-66-2 C21H18F3NO5S
    4-{4-Acetyl-5-(trifluoromethyl)phenyl}-5-{4-(aminosulfonyl)phenyl}-2,2-dimethyl 3(2H)-furanone
    —— 4,4'-diundecyl-2,2'-bipyridine 142646-59-1 C32H52N2
    4,4'-diundecyl-2,2'-bipyridine
    —— (4R,5E,7S)-2-methyl-4-(but-3'-enoylamino)-7-methoxymethoxy-8-phenyloct-5-ene 1337534-20-9 C21H31NO3
    (4R,5E,7S)-2-methyl-4-(but-3'-enoylamino)-7-methoxymethoxy-8-phenyloct-5-ene
    —— (4S)-2-chloromethyl-4-tert-butyl-2-oxazoline 862605-39-8 C8H14ClNO
    (4S)-2-chloromethyl-4-tert-butyl-2-oxazoline
    —— 4-methyl-1,4-dihydro-benzo[d][1,2]oxazine-3-carboxylic acid 2-carbamoyloxy-ethyl ester 35106-81-1 C13H16N2O5
    4-methyl-1,4-dihydro-benzo[d][1,2]oxazine-3-carboxylic acid 2-carbamoyloxy-ethyl ester