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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(2-hydroxyimino-ethyl)-5-methyl-pyrrole-2-carboxylic acid ethyl ester 103386-48-7 C10H14N2O3
    4-(2-hydroxyimino-ethyl)-5-methyl-pyrrole-2-carboxylic acid ethyl ester
    —— 4'-(2-diethylamino-ethoxy)-stilben-4-ol; hydrochloride 102239-68-9 C20H25NO2*ClH
    4'-(2-diethylamino-ethoxy)-stilben-4-ol; hydrochloride
    —— 4-<4-(N-Oxido-dimethylamino)-phenyl>-pyridin 1019-98-3 C13H14N2O
    4-<4-(N-Oxido-dimethylamino)-phenyl>-pyridin
    —— 4-chloro-3,3,4,5,5,6,7,7-octafluoro-hept-6-en-2-one 1550-28-3 C7H3ClF8O
    4-chloro-3,3,4,5,5,6,7,7-octafluoro-hept-6-en-2-one
    —— 4-Phenylacetamino-4-butyl-tetrahydropyran 95021-98-0 C17H25NO2
    4-Phenylacetamino-4-butyl-tetrahydropyran
    —— 4-tert.-Butyl-benzoesaeure-docosylester 103567-46-0 C33H58O2
    4-tert.-Butyl-benzoesaeure-docosylester
    —— 4,5,6-Trimethoxy-3-<β-nitro-vinyl>-indol 91807-73-7 C13H14N2O5
    4,5,6-Trimethoxy-3-<β-nitro-vinyl>-indol
    —— 4,5-dichloro-2,6-dihydrazino-pyrimidine 89124-12-9 C4H6Cl2N6
    4,5-dichloro-2,6-dihydrazino-pyrimidine
    —— 4,6-Bis-<4-Methoxy-benzolazo>-5-pentadecyl-resorcin 3158-57-4 C35H48N4O4
    4,6-Bis-<4-Methoxy-benzolazo>-5-pentadecyl-resorcin
    —— 4-methoxy-N-piperidin-4-yl-N-propyl-benzenesulfonamide 1044659-41-7 C15H24N2O3S
    4-methoxy-N-piperidin-4-yl-N-propyl-benzenesulfonamide
    —— (4R,5S)-2,2-dimethyl-4-[(S)-oxiran-2-yl]-5-vinyl-1, 3-dioxolane 1586000-23-8 C9H14O3
    (4R,5S)-2,2-dimethyl-4-[(S)-oxiran-2-yl]-5-vinyl-1, 3-dioxolane
    —— 4-[(2-{[4-(dimethylamino)phenyl]amino}-1-methyl-1H-benzimidazol-5-yl)oxy]-N-(2-pyrrolidin-1-ylethyl)pyridine-2-carboxamide 611217-43-7 C28H33N7O2
    4-[(2-{[4-(dimethylamino)phenyl]amino}-1-methyl-1H-benzimidazol-5-yl)oxy]-N-(2-pyrrolidin-1-ylethyl)pyridine-2-carboxamide
    —— 4-oxo-12-<(tetrahydro-2H-pyran-2-yl)-oxy>dodecanal 79918-33-5 C17H30O4
    4-oxo-12-<(tetrahydro-2H-pyran-2-yl)-oxy>dodecanal
    —— 4-benzylamino-3-butanoyl-1-(4-methoxyphenyl)-6-methyl-1,2-dihydropyridin-2-one 1110533-80-6 C24H26N2O3
    4-benzylamino-3-butanoyl-1-(4-methoxyphenyl)-6-methyl-1,2-dihydropyridin-2-one
    —— 4-Benzoyl-5,5-dimethyl-Δ<sup>1</sup>-1,2,4-triazolin-3-one 119493-14-0 C11H11N3O2
    4-Benzoyl-5,5-dimethyl-Δ<sup>1</sup>-1,2,4-triazolin-3-one
    —— 4-O-methyl-ascochlorin dibutylacetal 748798-52-9 C32H49ClO5
    4-O-methyl-ascochlorin dibutylacetal
    —— (4-nitro-benzylidene)-(1-<i>p</i>-tolyl-1<i>H</i>-[4]pyridylidene)-hydrazine 109568-32-3 C19H16N4O2
    (4-nitro-benzylidene)-(1-<i>p</i>-tolyl-1<i>H</i>-[4]pyridylidene)-hydrazine
    —— 4-hydroxy-3,4-diphenyl-but-3-en-2-one 137919-75-6 C16H14O2
    4-hydroxy-3,4-diphenyl-but-3-en-2-one
    —— 4-(2-(pyridin-4-yl)ethyl)oxy-1,1-dioxidebenzo[b]thiophene 246173-27-3 C15H13NO3S
    4-(2-(pyridin-4-yl)ethyl)oxy-1,1-dioxidebenzo[b]thiophene
    —— (4E)-4-benzylidene-3-methylpiperidine 676490-88-3 C13H17N
    (4E)-4-benzylidene-3-methylpiperidine
    —— (4R,5S)-4-((S)-1-Benzyloxy-3-phenyl-prop-2-ynyl)-5-ethyl-2,2-dimethyl-[1,3]dioxolane-4-carboxylic acid methyl ester 562858-23-5 C25H28O5
    (4R,5S)-4-((S)-1-Benzyloxy-3-phenyl-prop-2-ynyl)-5-ethyl-2,2-dimethyl-[1,3]dioxolane-4-carboxylic acid methyl ester
    —— 4,7,7-trimethyl-3-oxobicyclo[2.2.1]heptane-2-sulfonic acid 22555-64-2 C10H16O4S
    4,7,7-trimethyl-3-oxobicyclo[2.2.1]heptane-2-sulfonic acid
    —— 4-chloro-N,N-bis-(2,4-dimethoxy-benzyl)-3-nitro-benzenesulfonamide 921195-72-4 C24H25ClN2O8S
    4-chloro-N,N-bis-(2,4-dimethoxy-benzyl)-3-nitro-benzenesulfonamide
    —— 4-methyl-2-(3,5,5-trimethyl-2-sulfanylidene-1,3-thiazolidin-4-yl)-1,2,4-oxadiazolidine-3,5-dione 132373-14-9 C9H13N3O3S2
    4-methyl-2-(3,5,5-trimethyl-2-sulfanylidene-1,3-thiazolidin-4-yl)-1,2,4-oxadiazolidine-3,5-dione
    —— 4-(12-hydroxydodecyloxy)-5-methoxy-1,2-dicyanobenzene 783334-76-9 C21H30N2O3
    4-(12-hydroxydodecyloxy)-5-methoxy-1,2-dicyanobenzene
    —— (4S,5R)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-5-hydroxymethyl-2,2-dimethyl-oxazolidine-3-carboxylic acid 2,2,2-trichloro-ethyl ester 193893-15-1 C26H34Cl3NO5Si
    (4S,5R)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-5-hydroxymethyl-2,2-dimethyl-oxazolidine-3-carboxylic acid 2,2,2-trichloro-ethyl ester
    —— (4-(3-butenyl)pyridine)pentaamminecobalt(III) perchlorate 82903-36-4 C9H26CoN6*3ClO4
    (4-(3-butenyl)pyridine)pentaamminecobalt(III) perchlorate
    —— 4-(4-Bromophenyl)-5-fluoro-2-methylpyrimidine 2248959-99-9 C11H8BrFN2
    4-(4-Bromophenyl)-5-fluoro-2-methylpyrimidine
    —— 4-(4-methoxycarbonyl-phenyl)-3-[4-(3-methoxy-propyl)-3-oxo-3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethoxy]-5-triisopropylsilanyloxy-piperidine-1-carboxylic acid benzyl ester 873946-13-5 C43H58N2O9Si
    4-(4-methoxycarbonyl-phenyl)-3-[4-(3-methoxy-propyl)-3-oxo-3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethoxy]-5-triisopropylsilanyloxy-piperidine-1-carboxylic acid benzyl ester
    —— 4-(nitrooxy)butyl 2-((4-nitrophenoxy)carbonylamino)acetate 1185769-73-6 C13H15N3O9
    4-(nitrooxy)butyl 2-((4-nitrophenoxy)carbonylamino)acetate
    —— 4-{(2S,3R)-3-[(3S)-3-(acetyloxy)-3-(4-fluorophenyl)propyl]-1-[4-(3-hydroxyprop-1-yn-1-yl)phenyl]-4-oxoazetidin-2-yl}phenyl methyl 2,3,4-tri-O-acetyl-β-D-glucopyranosiduronate 858100-47-7 C42H42FNO14
    4-{(2S,3R)-3-[(3S)-3-(acetyloxy)-3-(4-fluorophenyl)propyl]-1-[4-(3-hydroxyprop-1-yn-1-yl)phenyl]-4-oxoazetidin-2-yl}phenyl methyl 2,3,4-tri-O-acetyl-β-D-glucopyranosiduronate
    —— 4-Pyrimidinamine, 6-(4-chloro-3,5-dimethylphenoxy)-5-nitro-N-[4-(2-phenyldiazenyl)phenyl]- 888258-50-2 C24H19ClN6O3
    4-Pyrimidinamine, 6-(4-chloro-3,5-dimethylphenoxy)-5-nitro-N-[4-(2-phenyldiazenyl)phenyl]-
    —— 4-cyclohexyl-1-phenyl-2-(5-phenyl-1<i>H</i>-[1,2,4]triazol-3-yl)-pyrazolidine-3,5-dione 54505-93-0 C23H23N5O2
    4-cyclohexyl-1-phenyl-2-(5-phenyl-1<i>H</i>-[1,2,4]triazol-3-yl)-pyrazolidine-3,5-dione
    —— 4,5-Tetramethylen-2-<2-methylmercapto-cyclopenten-2-yliden>-1,3-dithiol 55436-08-3 C13H16S3
    4,5-Tetramethylen-2-<2-methylmercapto-cyclopenten-2-yliden>-1,3-dithiol
    —— 4-(2,2-Dimethyl)-imidazolcarbohydrazid 56098-00-1 C6H10N4O
    4-(2,2-Dimethyl)-imidazolcarbohydrazid
    —— 4-morpholin-4-yl-2-thiophen-2-yl-thieno[2,3-<i>d</i>]pyrimidine 56843-90-4 C14H13N3OS2
    4-morpholin-4-yl-2-thiophen-2-yl-thieno[2,3-<i>d</i>]pyrimidine
    —— (+/-)-4-prenylpterocarpin 144852-11-9 C22H22O5
    (+/-)-4-prenylpterocarpin
    —— 4-<5'-(1'-hydroxyethyl)-2-methoxyphenyl>-2-methyl-butan-2-ol 126705-61-1 C14H22O3
    4-<5'-(1'-hydroxyethyl)-2-methoxyphenyl>-2-methyl-butan-2-ol
    —— 4-Benzyloxy-1-methoxy-cyclohexanecarbonitrile 906318-15-8 C15H19NO2
    4-Benzyloxy-1-methoxy-cyclohexanecarbonitrile
    —— (4R)-4-benzyl-3-[(2R,3S,4S,5S,6S)-5-[tert-butyl(dimethyl)silyl]oxy-3-hydroxy-7-[(4-methoxyphenyl)methoxy]-2,4,6-trimethylheptanoyl]-1,3-oxazolidin-2-one 1082391-31-8 C34H51NO7Si
    (4R)-4-benzyl-3-[(2R,3S,4S,5S,6S)-5-[tert-butyl(dimethyl)silyl]oxy-3-hydroxy-7-[(4-methoxyphenyl)methoxy]-2,4,6-trimethylheptanoyl]-1,3-oxazolidin-2-one
    —— 4,8-dinitro-1,4-dithiino[2,3-c:5,6-c']diquinoline 7-oxide 1394121-96-0 C18H8N4O5S2
    4,8-dinitro-1,4-dithiino[2,3-c:5,6-c']diquinoline 7-oxide
    —— 4-(2-butylidene-1-phenethylhydrazinyl)benzonitrile 1570062-10-0 C19H21N3
    4-(2-butylidene-1-phenethylhydrazinyl)benzonitrile
    —— (4-Allyl-4-methoxy-cyclohexyloxymethyl)-benzene 906318-08-9 C17H24O2
    (4-Allyl-4-methoxy-cyclohexyloxymethyl)-benzene
    —— 4-(4-chlorophenyl)-2-dimethylaminomethyleneamino-4H-pyrano[3,2-h]quinoline-3-carbonitrile 1384215-19-3 C22H17ClN4O
    4-(4-chlorophenyl)-2-dimethylaminomethyleneamino-4H-pyrano[3,2-h]quinoline-3-carbonitrile
    —— 4-carboxy-2-(4-chlorophenyl)-1-(2-phenyl-2-(4-phenylthiazol-2(5H)-ylidene)hydrazono)ethylquinolinium iodide 1415835-02-7 C33H24ClN4O2S*I
    4-carboxy-2-(4-chlorophenyl)-1-(2-phenyl-2-(4-phenylthiazol-2(5H)-ylidene)hydrazono)ethylquinolinium iodide
    —— 4-{[5-(3-{2-[2-(3-tert-butoxy-carbonylamino-propoxy)-ethoxy]-ethoxy}-propylcarbamoyl)-pyridin-2-yl]-hydrazonomethyl}-benzoic acid 1056044-76-8 C29H41N5O8
    4-{[5-(3-{2-[2-(3-tert-butoxy-carbonylamino-propoxy)-ethoxy]-ethoxy}-propylcarbamoyl)-pyridin-2-yl]-hydrazonomethyl}-benzoic acid
    —— 4-chloro-2-(4-chlorophenyl)-6-methyl-5-acetylpyrimidine 130102-80-6 C13H10Cl2N2O
    4-chloro-2-(4-chlorophenyl)-6-methyl-5-acetylpyrimidine
    —— 4-chloro-6-[(E)-3-phenylprop-1-en-1-yl]pyrimidine 1572039-82-7 C13H11ClN2
    4-chloro-6-[(E)-3-phenylprop-1-en-1-yl]pyrimidine
    —— 4-methyl-11a(α)-(2-hydroxyethylsulfinyl)-3,3,6,11-tetraoxo-1,2,5,5a,6,11,11a,11b-octahydrothieno<3,2-a>anthracene 125220-09-9 C19H20O6S2
    4-methyl-11a(α)-(2-hydroxyethylsulfinyl)-3,3,6,11-tetraoxo-1,2,5,5a,6,11,11a,11b-octahydrothieno<3,2-a>anthracene
    —— 4-[5-(2,6-Dichloropyridin-3-yl)-2-methylphenyl]-5-hydroxy-2,2,6,6-tetramethylpyran-3-one 1033758-61-0 C21H21Cl2NO3
    4-[5-(2,6-Dichloropyridin-3-yl)-2-methylphenyl]-5-hydroxy-2,2,6,6-tetramethylpyran-3-one