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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-tert-butyldioxy butanoic acid 786657-74-7 C8H16O4
    4-tert-butyldioxy butanoic acid
    —— 4-(thiophen-3-yl)but-3-yn-1-ol 849662-93-7 C8H8OS
    4-(thiophen-3-yl)but-3-yn-1-ol
    —— 4-Methyl-1-piperidin-1-yl-isoquinoline-3-carboxylic acid methyl ester 89928-80-3 C17H20N2O2
    4-Methyl-1-piperidin-1-yl-isoquinoline-3-carboxylic acid methyl ester
    —— 4-Hydroxy-8-methoxy-7-methyl-quinoline-5,6-dione 158509-96-7 C11H9NO4
    4-Hydroxy-8-methoxy-7-methyl-quinoline-5,6-dione
    —— 4-Ethoxy-5,6,8-trimethoxy-7-methyl-quinoline 158509-91-2 C15H19NO4
    4-Ethoxy-5,6,8-trimethoxy-7-methyl-quinoline
    —— 4-(3-Methyl-oxiranyl)-butan-2-one 64066-00-8 C7H12O2
    4-(3-Methyl-oxiranyl)-butan-2-one
    —— 4-Hexadecyl-3-methyl-2-(tetrahydro-pyran-2-yl)-2H-isoxazol-5-one 217806-63-8 C25H45NO3
    4-Hexadecyl-3-methyl-2-(tetrahydro-pyran-2-yl)-2H-isoxazol-5-one
    —— 4-Ethyl-3-phenyl-2-(tetrahydro-pyran-2-yl)-2H-isoxazol-5-one 217806-59-2 C16H19NO3
    4-Ethyl-3-phenyl-2-(tetrahydro-pyran-2-yl)-2H-isoxazol-5-one
    —— 4-(1-((4-Fluorophenyl)imino)ethyl)-5-phenyl-2,3-furandione 88556-39-2 C18H12FNO3
    4-(1-((4-Fluorophenyl)imino)ethyl)-5-phenyl-2,3-furandione
    —— 4-((alpha-(4-Methylphenyl)-2-piperidinobenzyl)aminocarbonylmethyl)benzoic acid 89573-00-2 C28H30N2O3
    4-((alpha-(4-Methylphenyl)-2-piperidinobenzyl)aminocarbonylmethyl)benzoic acid
    —— 4,5-Dichloro-1-(2-chloro-6-methoxy-phenyl)-1H-pyrrole-2-carboxylic acid 158966-77-9 C12H8Cl3NO3
    4,5-Dichloro-1-(2-chloro-6-methoxy-phenyl)-1H-pyrrole-2-carboxylic acid
    —— 4-(2,2-Dibromocyclopropyl)-1-(2,6-dichloro-4-trifluoromethylphenyl)-3-formylpyrazole 208938-06-1 C14H7Br2Cl2F3N2O
    4-(2,2-Dibromocyclopropyl)-1-(2,6-dichloro-4-trifluoromethylphenyl)-3-formylpyrazole
    —— 4-[2-(4-Chloro-phenyl)-1H-indol-3-ylazo]-N-(4,6-dimethyl-pyrimidin-2-yl)-benzenesulfonamide 88151-95-5 C26H21ClN6O2S
    4-[2-(4-Chloro-phenyl)-1H-indol-3-ylazo]-N-(4,6-dimethyl-pyrimidin-2-yl)-benzenesulfonamide
    —— 4-(3-thienyl)-7-[4-(trifluoromethoxy)phenyl]-2-naphthoic acid 1160270-58-5 C22H13F3O3S
    4-(3-thienyl)-7-[4-(trifluoromethoxy)phenyl]-2-naphthoic acid
    —— 4-benzyl-2-(2-ethoxybenzyloxy)morpholine hydrochloride 89220-85-9 C20H25NO3*ClH
    4-benzyl-2-(2-ethoxybenzyloxy)morpholine hydrochloride
    —— 4-((1-Hydroxy-6-(phenylamino)-3-sulpho-2-naphthyl)azo)naphthalenesulphonic acid 85455-47-6 C26H19N3O7S2
    4-((1-Hydroxy-6-(phenylamino)-3-sulpho-2-naphthyl)azo)naphthalenesulphonic acid
    —— 4-(2-fluoro-phenyl)-6-chloro-2-piperazin-1-yl-quinazoline 88422-47-3 C18H16ClFN4
    4-(2-fluoro-phenyl)-6-chloro-2-piperazin-1-yl-quinazoline
    —— 4,4-dimethyl-2-(4-(thiophen-3-yl)phenyl)-4,5-dihydrooxazole 1190302-11-4 C15H15NOS
    4,4-dimethyl-2-(4-(thiophen-3-yl)phenyl)-4,5-dihydrooxazole
    —— [4-(azepan-1-ylmethyl)oxan-4-yl]methanamine 1248654-57-0 C13H26N2O
    [4-(azepan-1-ylmethyl)oxan-4-yl]methanamine
    —— 4,5,6,7-tetraphenylbenzo[b]thiophene 22045-80-3 C32H22S
    4,5,6,7-tetraphenylbenzo[b]thiophene
    —— 4-hydroxy-4-(3-thienyl)tetrahydropyran 140618-94-6 C9H12O2S
    4-hydroxy-4-(3-thienyl)tetrahydropyran
    —— 4-(1-((4-Methoxyphenyl)imino)ethyl)-5-phenyl-2,3-furandione 88556-43-8 C19H15NO4
    4-(1-((4-Methoxyphenyl)imino)ethyl)-5-phenyl-2,3-furandione
    —— 4-T syl-8-(tosylamino)-4-azaoctannitril 96624-91-8 C21H27N3O4S2
    4-T syl-8-(tosylamino)-4-azaoctannitril
    —— [4-ethoxy-2-(3-thienyl)phenyl](phenyl)methanone 878555-24-9 C19H16O2S
    [4-ethoxy-2-(3-thienyl)phenyl](phenyl)methanone
    —— 4-Isothiocyanato-2,1,3-benzoxadiazole 667429-11-0 C7H3N3OS
    4-Isothiocyanato-2,1,3-benzoxadiazole
    —— 4-([6-thiophen-3-yl]pyridazin-3-yl)morpholine 1417455-03-8 C12H13N3OS
    4-([6-thiophen-3-yl]pyridazin-3-yl)morpholine
    —— (4S,5R,7R,8R)-5-(6-amino-9H-purin-9-yl)-7-(hydroxymethyl)-1,6-dioxaspiro[3.4]octan-8-ol 1378912-24-3 C12H15N5O4
    (4S,5R,7R,8R)-5-(6-amino-9H-purin-9-yl)-7-(hydroxymethyl)-1,6-dioxaspiro[3.4]octan-8-ol
    —— 4,5-Dimethyl-3-oxido-2-thiophen-3-yl-1,3-thiazol-3-ium 1016990-27-4 C9H9NOS2
    4,5-Dimethyl-3-oxido-2-thiophen-3-yl-1,3-thiazol-3-ium
    —— 4,5-dihydronaphtho[1,2-c][1,2,5]thiadiazole 34910-55-9 C10H8N2S
    4,5-dihydronaphtho[1,2-c][1,2,5]thiadiazole
    —— 4-chloronaphtho[1,2-c][1,2,5]thiadiazole 37539-75-6 C10H5ClN2S
    4-chloronaphtho[1,2-c][1,2,5]thiadiazole
    —— 4-benzyl-2-(4-methoxybenzyloxy)morpholine hydrochloride 89220-87-1 C19H23NO3*ClH
    4-benzyl-2-(4-methoxybenzyloxy)morpholine hydrochloride
    —— 4-Isopropylidene-2,2,5,5-tetramethyl-[1,3]oxathiolane 94398-59-1 C10H18OS
    4-Isopropylidene-2,2,5,5-tetramethyl-[1,3]oxathiolane
    —— 4-(bis(3-(triethoxysilyl)propyl)amino)phenyl benzoate 1287767-69-4 C31H51NO8Si2
    4-(bis(3-(triethoxysilyl)propyl)amino)phenyl benzoate
    —— 4α-methyl-5α-stigmastan-3-one 57708-07-3 C30H52O
    4α-methyl-5α-stigmastan-3-one
    —— 4-methoxy-4'-vinylbenzophenone 24993-90-6 C16H14O2
    4-methoxy-4'-vinylbenzophenone
    —— 4-methyl-3,6,8-trioxabicyclo[3.2.1]octane 1202882-87-8 C6H10O3
    4-methyl-3,6,8-trioxabicyclo[3.2.1]octane
    —— 4-(4-chlorophenyl)-1-{[1-(4-chlorophenyl)-5-(2,4-dichlorophenyl)-2-(3-hydroxy propyl)-1H-pyrrol-3-yl]carbonyl}piperidine-4-carboxamide 1197522-71-6 C32H29Cl4N3O3
    4-(4-chlorophenyl)-1-{[1-(4-chlorophenyl)-5-(2,4-dichlorophenyl)-2-(3-hydroxy propyl)-1H-pyrrol-3-yl]carbonyl}piperidine-4-carboxamide
    —— 4'-(hydroxy-phenyl-methyl)-biphenyl-4-carbonitrile 1072448-26-0 C20H15NO
    4'-(hydroxy-phenyl-methyl)-biphenyl-4-carbonitrile
    —— 4-(1-((4-Methylphenyl)imino)ethyl)-5-phenyl-2,3-furandione 88556-37-0 C19H15NO3
    4-(1-((4-Methylphenyl)imino)ethyl)-5-phenyl-2,3-furandione
    —— 4-[6-(Azepan-1-yl)pyridin-3-yl]furo[3,2-c]pyridine 1202243-32-0 C18H19N3O
    4-[6-(Azepan-1-yl)pyridin-3-yl]furo[3,2-c]pyridine
    —— 4-(3-(triethoxysilyl)propylamino)phenyl benzoate 1287767-68-3 C22H31NO5Si
    4-(3-(triethoxysilyl)propylamino)phenyl benzoate
    —— 4-(2H-1,2,3-benzotriazol-2-yl)-3,5-bis(benzyloxy)phenol 1008756-30-6 C26H21N3O3
    4-(2H-1,2,3-benzotriazol-2-yl)-3,5-bis(benzyloxy)phenol
    —— 4-(1-((3-Methylphenyl)imino)ethyl)-5-phenyl-2,3-furandione 88556-38-1 C19H15NO3
    4-(1-((3-Methylphenyl)imino)ethyl)-5-phenyl-2,3-furandione
    —— 4-{N-[α-(4-Fluoro-phenyl)-2-piperidino-benzyl]-aminocarbonylmethyl}-benzoic acid 89573-05-7 C27H27FN2O3
    4-{N-[α-(4-Fluoro-phenyl)-2-piperidino-benzyl]-aminocarbonylmethyl}-benzoic acid
    —— 4-(Benzolsulfonyl)-8-<(benzolsulfonyl)amino>-4-azaoctylamin 122890-17-9 C19H27N3O4S2
    4-(Benzolsulfonyl)-8-<(benzolsulfonyl)amino>-4-azaoctylamin
    —— 4.5-Dimethyl-2-p-toluoyl-1.2.3.6-tetrahydro-benzoesaeure 93727-72-1 C17H20O3
    4.5-Dimethyl-2-p-toluoyl-1.2.3.6-tetrahydro-benzoesaeure
    —— 4(1H)-Pyrimidinone, 2,3-dihydro-5-(((4-methoxyphenyl)amino)methyl)-2-thioxo- 89665-68-9 C12H13N3O2S
    4(1H)-Pyrimidinone, 2,3-dihydro-5-(((4-methoxyphenyl)amino)methyl)-2-thioxo-
    —— 4(1H)-Pyrimidinone, 2,3-dihydro-5-(((2-methoxyphenyl)amino)methyl)-2-thioxo- 89665-66-7 C12H13N3O2S
    4(1H)-Pyrimidinone, 2,3-dihydro-5-(((2-methoxyphenyl)amino)methyl)-2-thioxo-
    —— 4-{4-(4-Fluorophenyl)-1-[1-(1-isoxazol-3-ylethyl)piperidin-4-yl]-1H-imidazol-5-yl}-N-methylpyrimidin-2-amine 1293395-65-9 C24H26FN7O
    4-{4-(4-Fluorophenyl)-1-[1-(1-isoxazol-3-ylethyl)piperidin-4-yl]-1H-imidazol-5-yl}-N-methylpyrimidin-2-amine
    —— 4-Azepan-1-yl-8-chloro-1-methyl-6H-2,3,5,10b-tetraaza-benzo[e]azulene 74291-99-9 C17H20ClN5
    4-Azepan-1-yl-8-chloro-1-methyl-6H-2,3,5,10b-tetraaza-benzo[e]azulene