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    中文名称 英文名称 CAS号 化学式
    —— 4,5,6,8-tetra-O-acetyl-3,7-anhydro-1-deoxy-D-threo-L-talo-octitol 85230-65-5 C16H24O10
    —— 4-fluoro-5-methyl-3-methylene-1,4-diphenylhex-1-yne 1440238-06-1 C20H19F
    —— 4-methoxy-2-methyl-6,7-dihydro-5<i>H</i>-cyclopentapyrimidine 36274-30-3 C9H12N2O
    —— 4-Methyl-pentanimidic acid 2-isopropyl-5-methyl-cyclohexyl ester; hydrochloride 42848-64-6 C16H31NO*ClH
    —— 4-Ethyl-17β-hydroxy-1.4-androstadien-3-on 21145-85-7 C21H30O2
    —— 4-Dodecylmercapto-2-oxo-Δ<sup>4</sup>-imidazolin 24044-31-3 C15H28N2OS
    —— 4-Methanesulfonyl-5-oxo-5-phenyl-pentanoic acid ethyl ester 22818-12-8 C14H18O5S
    —— 4-Benzyliden-5-p-nitrophenyl-1-α-pyridyl-2,3-pyrrolidindion 36069-77-9 C22H15N3O4
    —— 4-benzoylamino-5-(4-bromo-phenyl)-2,4-dihydro-[1,2,4]triazol-3-one 32550-74-6 C15H11BrN4O2
    —— 4-Chloro-5-ethylpyridazino<4,5-b>indole 39243-35-1 C12H10ClN3
    —— 4-(2'-Oxo-pentyl)-pyrido<3.2-d>pyrimidin 51674-82-9 C12H13N3O
    —— 4-(Butyl-dimethyl-silanyl)-bicyclo[2.2.1]hept-5-ene-2-carbonitrile 55166-53-5 C14H23NSi
    —— 4-Phenyl-2-(phenylthio)-pyrimidin 56734-13-5 C16H12N2S
    —— 4-methyl-2<i>H</i>-benzo[4,5]imidazo[2,1-<i>b</i>][1,3]thiazine 34550-55-5 C11H10N2S
    —— 4-Chloro-3-(3-hydroxy-benzylamino)-5-sulfamoyl-benzoic acid 30064-79-0 C14H13ClN2O5S
    —— 4-(4-Tolyl)-1-(2-brom-4,5-dimethoxy-phenyl)-piperazin 20169-05-5 C19H23BrN2O2
    —— 4-p-Chlorphenyl-6-phenylchinaldinsaeure 38501-08-5 C22H14ClNO2
    —— 4-Mercapto-1,2-dihydro-pyrimido<4,5-d>pyrimidin 91184-31-5 C6H6N4S
    —— 4-(4-Diethylamino-1-methyl-2-butinyl-amino)-7-chlor-chinolin 21373-56-8 C18H22ClN3
    —— 4-(1,3-dimethyl-1<i>H</i>-pyrazolo[3,4-<i>b</i>]quinolin-4-ylamino)-pentan-1-ol 25627-92-3 C17H22N4O
    —— 4-Bromo-benzenesulfonic acid (3aR,4S,6R,7S,7aR)-6-iodomethyl-4-methoxy-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-7-yl ester 22932-33-8 C16H20BrIO7S
    —— (4-phenethyl-piperazin-1-yl)-(3-phenyl-allylidene)-amine 41298-70-8 C21H25N3
    —— (-)-(4S)-4-methylspiro[1,3-dioxolane-2,9'-fluorene] 69103-82-8 C16H14O2
    —— 4-oxo-4-(4-Boc-piperazin-1-yl)butyrylglycine succinimide ether 801317-52-2 C19H28N4O8
    —— 4-chloro-2-hydroxy-tri-<i>N</i>-methyl-anilinium; iodide 109966-97-4 C9H13ClNO*I
    —— 4-oxo-4-(4-Boc-piperazin-1-yl)butyrylglycine pentafluorophenyl ether 801317-51-1 C21H24F5N3O6
    —— 4'',6''-O-benzylidene-1,3''-bis(N-benzyloxycarbonyl)-3,2',6'-tris(N-tert-butoxycarbonyl)-2''-(tert-butoxycarbonyl)amino-2''-deoxydibekacin 161906-84-9 C61H86N6O19
    —— 4-[8-(difluoromethoxy)imidazo[1,2-a]pyridin-3-yl]-2-(methylthio)pyrimidine-5-carbonitrile 878805-94-8 C14H9F2N5OS
    —— 4-Bromo-8-methoxy-6-methylnaphthalen-1-ol 177555-76-9 C12H11BrO2
    —— 4-[1-(4-chlorophenyl)-1H-tetrazol-5-ylsulfanylmethyl]-2-(2,5-dichlorophenyl)-3-methyl-6,7-dihydro-2H-pyrazolo[3,4-d]pyridazin-7-one 1260400-99-4 C20H13Cl3N8OS
    —— (4-(benzyloxy)-7-(((tert-butyldimethylsilyl)oxy)methyl)-5-methoxynaphthalen-1-yl)boronic acid 1248682-83-8 C25H33BO5Si
    —— 4-[2-(3-Acetyl-phenoxy)-ethyl]-piperazine-1-carboxylic acid ethyl ester 816456-13-0 C17H24N2O4
    —— 4-cyano-1,7-dimethyl-3-methoxy-5,6,7,8-tetrahydroisoquinoline 117960-66-4 C13H16N2O
    —— 4-Benzoylmethylen-2,6-dimethoxycarbonylpyran 51614-89-2 C17H14O6
    —— 4-Butyryloxy-benzoic acid 4-nonyl-phenyl ester 38444-41-6 C26H34O4
    —— (4bRS,7aRS,10aSR)-5,6,7,7a,9,10,11,12-octahydro-7a-methylcyclopenta<j>phenanthren-8(4bH)-one 72610-97-0 C18H22O
    —— (4-{4-[(3-Amino-phenylcarbamoyl)-methyl]-6-chloro-5-methyl-3-oxo-3,4-dihydro-pyrazin-2-ylamino}-cyclohexyl)-carbamic acid tert-butyl ester 787608-49-5 C24H33ClN6O4
    —— (4R,5R)-5-((S)-3-(benzyloxy)-1-methoxypropyl)-4-((2-methoxyethoxy)methoxy)-3,3-dimethyltetrahydrofuran-2-ol 1189804-18-9 C21H34O7
    —— 4-(4-Carbamimidoyl-benzyloxy)-3,5-diiodo-benzamidine 56806-95-2 C15H14I2N4O
    —— 4-acetoxy-3-(3'-chlorophenyl)-coumarin 121884-67-1 C17H11ClO4
    —— 4,5,10,11-Tetramethyl-1α,8α-tricyclo<6.4.0.0<sup>2,7</sup>>dodecatrien-(2(7),4,10)-tetraon-(3,6,9,12) 98001-00-4 C16H14O4
    —— 4-(4-chloro-phenyl)-1,3,5-trimethyl-[1,2,4]triazolium; iodide 111382-88-8 C11H13ClN3*I
    —— (4aR,8aR,9S,9aR,10aS)-Decahydro-1,8,10-trioxa-anthracen-9-ol 175664-21-8 C11H18O4
    —— 4-methyl-1-phenylazepan-2-one 156542-39-1 C13H17NO
    —— 4-chloro-1'-(methylsulfonyl)-3,4-dihydrospiro[chromene-2,4'-piperidine] 1630952-57-6 C14H18ClNO3S
    —— 4-(((1R)-5-(dimethylamino)-1-((phenylthio)methyl)pentyl)amino)-N-(4-(1-methyl-6-oxo-1,6-dihydropyridin-3-yl)benzoyl)-3-nitrobenzenesulfonamide 406230-41-9 C33H37N5O6S2
    —— 4-Bromo-2-phenyl-1-oxa-2-thionia-spiro[4.5]dec-3-ene; bromide 37605-52-0 Br*C14H16BrOS
    —— 4,5,7-triphenyl-6-(3-phenyl-oxiranecarbonyl)-3,4,5,6,7,8-hexahydro-1<i>H</i>-quinazolin-2-one 30559-86-5 C35H30N2O3
    —— 4-Acetoxy-3-methyl-[1,2']binaphthalenyl-2-carboxylic acid methyl ester 42123-42-2 C25H20O4
    —— 4-(1-Propylamino-cyclohexyl)-3-propylcarbamoyl-pentanoic acid 40945-61-7 C18H34N2O3