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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-dipentoxyphosphorylsulfanyl-2-ethoxy-5-ethyl-5-methyl-1,2λ5-oxaphosphole 2-oxide 135674-41-8 C18H36O6P2S
    4-dipentoxyphosphorylsulfanyl-2-ethoxy-5-ethyl-5-methyl-1,2λ5-oxaphosphole 2-oxide
    —— 4-(o-Carboxyphenyl)-5-benzyl-2-thiazolon 32826-63-4 C17H13NO3S
    4-(o-Carboxyphenyl)-5-benzyl-2-thiazolon
    —— 4,4'-(carbonylbis(azanediyl))bis(N-(5-((E)-3-(1H-imidazol-1-yl)-3-oxoprop-1-en-1-yl)-1-methyl-1H-pyrrol-3-yl)-1-methyl-1H-imidazole-2-carboxamide) 373362-20-0 C33H32N14O5
    4,4'-(carbonylbis(azanediyl))bis(N-(5-((E)-3-(1H-imidazol-1-yl)-3-oxoprop-1-en-1-yl)-1-methyl-1H-pyrrol-3-yl)-1-methyl-1H-imidazole-2-carboxamide)
    —— (4R)-3-(2-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)acetyl)-2-phenylthiazolidine-4-carboxylic acid 1044255-13-1 C17H17N3O5S
    (4R)-3-(2-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)acetyl)-2-phenylthiazolidine-4-carboxylic acid
    —— (4S)-4-benzyl-3-(3-methylbicyclo[2.2.1]hept-5-ene-2-carbonyl)oxazolidin-2-one 128299-60-5 C19H21NO3
    (4S)-4-benzyl-3-(3-methylbicyclo[2.2.1]hept-5-ene-2-carbonyl)oxazolidin-2-one
    —— [4-(2-Chloro-5,6-dimethylthieno[2,3-d]pyrimidin-4-yl)piperazin-1-yl]-(furan-2-yl)methanone 107640-27-7 C17H17ClN4O2S
    [4-(2-Chloro-5,6-dimethylthieno[2,3-d]pyrimidin-4-yl)piperazin-1-yl]-(furan-2-yl)methanone
    —— 4-methyl-2-(1-oxo-1λ<sup>4</sup>-thiomorpholin-4-yl)-6-piperazin-1-yl-pyrimidine-5-carbonitrile 56033-21-7 C14H20N6OS
    4-methyl-2-(1-oxo-1λ<sup>4</sup>-thiomorpholin-4-yl)-6-piperazin-1-yl-pyrimidine-5-carbonitrile
    —— [4-(4-Methoxy-phenyl)-5-oxy-1,2-dihydro-imidazo[1,2-a]quinoxalin-7-yl]-phenyl-methanone 90958-91-1 C24H19N3O3
    [4-(4-Methoxy-phenyl)-5-oxy-1,2-dihydro-imidazo[1,2-a]quinoxalin-7-yl]-phenyl-methanone
    —— 4-hydroxy-8-methyl-3-phenyl-2H-chromen-2-one 64556-48-5 C16H12O3
    4-hydroxy-8-methyl-3-phenyl-2H-chromen-2-one
    —— (4S,5R)-N-benzyloxycarbonyl-4-carbamoyl-2,2-dimethyl-5-methyl-1,3-oxazolidine 160821-21-6 C15H20N2O4
    (4S,5R)-N-benzyloxycarbonyl-4-carbamoyl-2,2-dimethyl-5-methyl-1,3-oxazolidine
    —— 4-methyl-6-trichloromethanesulfenyloxy-2-trichloromethyldisulfanyl-pyrimidine 117883-31-5 C7H4Cl6N2OS3
    4-methyl-6-trichloromethanesulfenyloxy-2-trichloromethyldisulfanyl-pyrimidine
    —— 4-[4-[9-(6-Oxobenzo[c][2,1]benzoxaphosphinin-6-yl)fluoren-9-yl]phenoxy]benzene-1,3-diamine 1573113-31-1 C37H27N2O3P
    4-[4-[9-(6-Oxobenzo[c][2,1]benzoxaphosphinin-6-yl)fluoren-9-yl]phenoxy]benzene-1,3-diamine
    —— 4-(4-Ethoxy-phenyl)-piperidine-2,6-dione 33868-99-4 C13H15NO3
    4-(4-Ethoxy-phenyl)-piperidine-2,6-dione
    —— 4-chloro-1H-pyrazole-3-carboxylic acid [3-((S)-2-amino-4-methyl-5,6-dihydro-4H-[1,3]oxazin-4-yl)-4-fluoro-phenyl]-amide 1310374-07-2 C15H15ClFN5O2
    4-chloro-1H-pyrazole-3-carboxylic acid [3-((S)-2-amino-4-methyl-5,6-dihydro-4H-[1,3]oxazin-4-yl)-4-fluoro-phenyl]-amide
    —— 4-ethoxy-N-[1-[(2-methyl-5,6-dihydro-4H-imidazo[1,2-a][1]benzazepin-4-yl)carbamoyl]cyclopropyl]benzamide 1310816-26-2 C26H28N4O3
    4-ethoxy-N-[1-[(2-methyl-5,6-dihydro-4H-imidazo[1,2-a][1]benzazepin-4-yl)carbamoyl]cyclopropyl]benzamide
    —— 4-(octanoyl-d15)phenethyl acetate 1150659-36-1 C18H26O3
    4-(octanoyl-d15)phenethyl acetate
    —— 4-(2-(2-hydroxy-5-methoxybenzoyl)-4-methoxyphenoxy)butanoic acid 870287-22-2 C19H20O7
    4-(2-(2-hydroxy-5-methoxybenzoyl)-4-methoxyphenoxy)butanoic acid
    —— ((4S,5S)-5-{[Bis-(4-tert-butyl-benzyl)-amino]-methyl}-2,2-dipropyl-[1,3]dioxolan-4-ylmethyl)-bis-(4-tert-butyl-benzyl)-amine 515871-53-1 C55H80N2O2
    ((4S,5S)-5-{[Bis-(4-tert-butyl-benzyl)-amino]-methyl}-2,2-dipropyl-[1,3]dioxolan-4-ylmethyl)-bis-(4-tert-butyl-benzyl)-amine
    —— 4-fluorophenol-2,6-d<sub>2</sub> 25419-16-3 C6H5FO
    4-fluorophenol-2,6-d<sub>2</sub>
    —— 4-butyl-2-ethoxy-3-ethylquinoline 1333318-54-9 C17H23NO
    4-butyl-2-ethoxy-3-ethylquinoline
    —— 4-[2]quinolyl-benz[<i>d</i>][1,2]oxazin-1-one 101438-85-1 C17H10N2O2
    4-[2]quinolyl-benz[<i>d</i>][1,2]oxazin-1-one
    —— 4-amino-8-iodopyrazolo<1,5-a>-1,3,5-triazine 162791-77-7 C5H4IN5
    4-amino-8-iodopyrazolo<1,5-a>-1,3,5-triazine
    —— 4-Diethylcarbamoyl-2-phenyl-penta-2,3-dienoic acid ethyl ester 36277-55-1 C18H23NO3
    4-Diethylcarbamoyl-2-phenyl-penta-2,3-dienoic acid ethyl ester
    —— 4,4'-Bis-<3-(1,2,5-thiazolyl)>-azoxybenzol 37545-43-0 C16H10N6OS2
    4,4'-Bis-<3-(1,2,5-thiazolyl)>-azoxybenzol
    —— 4-[(2-Benzoyl-3-oxo-butyl)-phenyl-amino]-benzoic acid methyl ester 21119-53-9 C25H23NO4
    4-[(2-Benzoyl-3-oxo-butyl)-phenyl-amino]-benzoic acid methyl ester
    —— 4,5-Bis-dimethylamino-5H-furan-2-on 27050-63-1 C8H14N2O2
    4,5-Bis-dimethylamino-5H-furan-2-on
    —— 4-(1(3)<i>H</i>-imidazo[4,5-<i>c</i>]pyridin-2-yl)-2-phenyl-quinoline 42039-66-7 C21H14N4
    4-(1(3)<i>H</i>-imidazo[4,5-<i>c</i>]pyridin-2-yl)-2-phenyl-quinoline
    —— 4-Methyl-2,6-bis-(4-methoxy-α-brom-benzyl)-2,6-diacetoxy-cyclohexanon-(1) 23046-42-6 C27H30Br2O7
    4-Methyl-2,6-bis-(4-methoxy-α-brom-benzyl)-2,6-diacetoxy-cyclohexanon-(1)
    —— (4R,6S)-4-(4-Fluoro-phenyl)-6-hydroxymethyl-piperidin-2-one 445474-78-2 C12H14FNO2
    (4R,6S)-4-(4-Fluoro-phenyl)-6-hydroxymethyl-piperidin-2-one
    —— 4-(tert-Butyl-dimethyl-silanyloxymethyl)-4-methyl-1,2-bis-trimethylsilanylmethyl-cyclohexene 87413-53-4 C22H48OSi3
    4-(tert-Butyl-dimethyl-silanyloxymethyl)-4-methyl-1,2-bis-trimethylsilanylmethyl-cyclohexene
    —— 4-{[5-acetyl-3-cyclopropyl-4-methyl-1,3-thiazol-2(3H)-ylidene]amino}-N,N-diethylbenzamide 1146977-09-4 C20H25N3O2S
    4-{[5-acetyl-3-cyclopropyl-4-methyl-1,3-thiazol-2(3H)-ylidene]amino}-N,N-diethylbenzamide
    —— 4-hydroxy-6-methoxy-3-propylaminomethyl-coumarin 100718-77-2 C14H17NO4
    4-hydroxy-6-methoxy-3-propylaminomethyl-coumarin
    —— {4-[4-((S)-3-tert-Butylamino-2-hydroxy-propoxy)-6,7-dimethoxy-quinazolin-2-yl]-piperazin-1-yl}-furan-2-yl-methanone; hydrochloride 94319-51-4 C26H35N5O6*2ClH
    {4-[4-((S)-3-tert-Butylamino-2-hydroxy-propoxy)-6,7-dimethoxy-quinazolin-2-yl]-piperazin-1-yl}-furan-2-yl-methanone; hydrochloride
    —— 4-acetylamino-2,5-dimethyl-benzenesulfinic acid 861555-88-6 C10H13NO3S
    4-acetylamino-2,5-dimethyl-benzenesulfinic acid
    —— (4S)-3,4-dihydro-28-oxomilbemycin G 135352-28-2 C34H50O8
    (4S)-3,4-dihydro-28-oxomilbemycin G
    —— 4-[(2E)-2-[1-(3-bromophenyl)ethylidene]hydrazinyl]-8-(trifluoromethyl)-quinoline 1251938-90-5 C18H13BrF3N3
    4-[(2E)-2-[1-(3-bromophenyl)ethylidene]hydrazinyl]-8-(trifluoromethyl)-quinoline
    —— 4-(3-methoxy-phenoxy)-2-phenyl-acetoacetic acid amide 71706-78-0 C17H17NO4
    4-(3-methoxy-phenoxy)-2-phenyl-acetoacetic acid amide
    —— (4S)-1-butyryl-4-<(carboxymethyl)methylamino>-L-proline 4-tert-butyl ester 2-ester with benzyl salicylate 84520-88-7 C30H38N2O7
    (4S)-1-butyryl-4-<(carboxymethyl)methylamino>-L-proline 4-tert-butyl ester 2-ester with benzyl salicylate
    —— 4-triphenylmethylphenylisocyanate 272113-40-3 C26H19NO
    4-triphenylmethylphenylisocyanate
    —— 4,6-di-O-benzoyl-2,3-di-O-benzyl-α-D-galactopyranosyl 1,3,4,6-tetra-O-benzyl-β-D-fructofuranoside 92596-09-3 C68H66O13
    4,6-di-O-benzoyl-2,3-di-O-benzyl-α-D-galactopyranosyl 1,3,4,6-tetra-O-benzyl-β-D-fructofuranoside
    —— 4-amino-3-(2-{[2-(4-amino-5-thioxo-4,5-dihydro-1H-1,2,4-triazol-3-yl)ethyl]-4-methoxyanilino}ethyl)-4,5-dihydro-1H-1,2,4-triazole-5-thione 1220512-15-1 C15H21N9OS2
    4-amino-3-(2-{[2-(4-amino-5-thioxo-4,5-dihydro-1H-1,2,4-triazol-3-yl)ethyl]-4-methoxyanilino}ethyl)-4,5-dihydro-1H-1,2,4-triazole-5-thione
    —— (4aα,4bβ,8aβ,8bα)-1,4a,4b,8,8a,8b-hexahydro-3,3,6,6-tetramethylcyclobuta<1,2-b:4,3-b'>dipyridine-2,4,5,7(3H,6H)-tetraone 115563-39-8 C14H18N2O4
    (4aα,4bβ,8aβ,8bα)-1,4a,4b,8,8a,8b-hexahydro-3,3,6,6-tetramethylcyclobuta<1,2-b:4,3-b'>dipyridine-2,4,5,7(3H,6H)-tetraone
    —— 4-hydroxy-4-(2-hydroxy-1,1,3,3,3-pentafluoro-propyl)cyclohexyl methacrylate 872677-16-2 C13H17F5O4
    4-hydroxy-4-(2-hydroxy-1,1,3,3,3-pentafluoro-propyl)cyclohexyl methacrylate
    —— 4-(4-Phenylpyrazol-1-yl)piperidine;hydrochloride 1205637-84-8 C14H17N3*ClH
    4-(4-Phenylpyrazol-1-yl)piperidine;hydrochloride
    —— 4-(4-Methoxyphenyl)-5-[4-(2-phenylmethoxyethoxy)phenyl]-2-piperidin-4-yl-1,3-oxazole 951745-49-6 C30H32N2O4
    4-(4-Methoxyphenyl)-5-[4-(2-phenylmethoxyethoxy)phenyl]-2-piperidin-4-yl-1,3-oxazole
    —— 4-[2-(2,5-dichloroanilino)-4-phenyl-1,3-thiazole-5-carbonyl]-3-phenyloxadiazol-3-ium-5-olate 108107-58-0 C24H14Cl2N4O3S
    4-[2-(2,5-dichloroanilino)-4-phenyl-1,3-thiazole-5-carbonyl]-3-phenyloxadiazol-3-ium-5-olate
    —— 4-fluoro-1,3-dihydro-isoindole-2-carboxylic acid (3R,5S)-1-tert-butoxycarbonyl-5-{(1R,2S)-1-[2-((S)-8-cyclopentyloxycarbonylamino-8-methoxycarbonyl-octylamino)-benzenesulfonylamino-carbonyl]-2-vinyl-cyclopropylcarbamoyl}-pyrrolidin-3-yl ester 1051393-27-1 C47H63FN6O12S
    4-fluoro-1,3-dihydro-isoindole-2-carboxylic acid (3R,5S)-1-tert-butoxycarbonyl-5-{(1R,2S)-1-[2-((S)-8-cyclopentyloxycarbonylamino-8-methoxycarbonyl-octylamino)-benzenesulfonylamino-carbonyl]-2-vinyl-cyclopropylcarbamoyl}-pyrrolidin-3-yl ester
    —— (4-Octa-1,3-diynylphenyl)methanol 1588477-71-7 C15H16O
    (4-Octa-1,3-diynylphenyl)methanol
    —— 4-{α-[3-(dimethylamino)propoxy]benzyl}-1-methyl-1H-pyrazole 122155-19-5 C16H23N3O
    4-{α-[3-(dimethylamino)propoxy]benzyl}-1-methyl-1H-pyrazole
    —— 4,6-Dibrom-2-<1-hydroxy-propyl>-anisol 23689-30-7 C10H12Br2O2
    4,6-Dibrom-2-<1-hydroxy-propyl>-anisol