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    中文名称 英文名称 CAS号 化学式
    4-(二氰基甲撑)-2-叔丁基-6-(1,1,7,7-四甲基久洛尼啶-9-烯基)-4H-吡喃 4-(dicyanomethylene)-2-tert-butyl-6-(1,1,7,7-tetramethyljulolidyl-9-enyl)-4H-pyran 200052-70-6 C30H35N3O
    4-(二氟甲基)苯甲酰氟 p-Difluormethyl-benzoylfluorid 2251-80-1 C8H5F3O
    4-(二氟甲基)-2-甲基-1,3-噻唑-5-甲酰氯 4-(difluoromethyl)-2-methylthiazole-5-carbonyl chloride 203448-82-2 C6H4ClF2NOS
    4-(二氟甲基)-1-氟苯 1-(difluoromethyl)-4-fluorobenzene 26132-51-4 C7H5F3
    4-(二氟溴甲基)溴苯 1-bromo-4-(bromodifluoromethyl)benzene 2358-32-9 C7H4Br2F2
    4-(二乙氧基膦甲基)苯甲酸 4-<(diethoxyphosphoryl)methyl>benzoic acid 28149-48-6 C12H17O5P
    4-(二乙氧基甲基)吡啶 1-氧化物 4-diethoxymethylpyridine N-oxide 27443-46-5 C10H15NO3
    4-(二乙氧基甲基)吡啶 4-(diethoxymethyl)pyridine 27443-40-9 C10H15NO2
    4-(二乙基氨基)苯甲醛[[4-(二乙基氨基)苯基]亚甲基]腙 p-N,N-diethylaminobenzaldazine 29228-93-1 C22H30N4
    4-(二乙基氨基)偶氮苯 p-diethylaminobenzenediazonium cation 21906-90-1 C10H14N3
    4-(二乙基氨基)-N-(2,6-二甲基苯基)丁酰胺 N-(2,6-dimethylphenylcarbamoylpropyl)diethylamine 21236-53-3 C16H26N2O
    4-(二丙基氨基磺酰基)苯甲酸镁 Magnesium 4-((dipropylamino)sulphonyl)benzoate 29243-46-7 C26H36MgN2O8S2
    4-(二丙基氨基磺酰基)-2-硝基苯甲酸 4-Carboxy-3-nitro-phenylsulfonsaeure-dipropylamid 2577-52-8 C13H18N2O6S
    4-(二(2-碘乙基)氨基)苯甲酸 4-(Bis-<2-iod-aethyl>-amino)-benzoesaeure 2045-13-8 C11H13I2NO2
    4-(二(2-溴乙基)氨基)苯酚3-甲氧基苯甲酸酯 3-Methoxybenzoesaeure-4-<N,N-bis-(2-bromethyl)-amino>-phenylester 22954-19-4 C18H19Br2NO3
    4-(二(2-溴乙基)氨基)苯酚2-甲基苯甲酸酯 2-Methylbenzoesaeure-4-(N,N-bis-(2-bromethyl)-amino)-phenylester 21667-02-7 C18H19Br2NO2
    4-(二(2-溴乙基)氨基)苯酚 4-(N,N-Bis-(2-bromethyl)-amino)-phenol 21667-05-0 C10H13Br2NO
    4-(二(2-溴乙基)氨基)苯甲酸 4-(Bis-<2-brom-aethyl>-amino)-benzoesaeure 2045-18-3 C11H13Br2NO2
    4-(二(2-溴乙基)氨基)-苯酚4-(alpha,alpha,alpha-三氟甲基)苯甲酸酯 4-Trifluormethylbenzoesaeure-4-(N,N-bis-(2-bromethyl)-amino)-phenylester 22953-42-0 C18H16Br2F3NO2
    4-(二(2-溴乙基)氨基)-乙酰苯胺 4-<Bis-(2-brom-aethyl)-amino>-acetanilid 2045-17-2 C12H16Br2N2O
    4-(二(2-氯乙基)氨基)-苯酚4-氟苯甲酸酯 4-Fluor-benzoesaeure-4-(N,N-bis-(2-chlorethyl)-amino)-phenylester 22953-56-6 C17H16Cl2FNO2
    4-(乙酰氨基甲基)苯磺酰氯 4-(acetamidomethyl)benzene-1-sulfonyl chloride 28073-51-0 C9H10ClNO3S
    4-(乙酰氨基)苯磺酸1-甲基丁基酯 4-Acetylamino-benzenesulfonic acid 1-methyl-butyl ester 23531-31-9 C13H19NO4S
    4-(乙酰氧基甲基)苯甲酸甲酯 4-(methoxycarbonyl)benzyl acetate 27548-25-0 C11H12O4
    4-(乙酰基氨基)-N-[(Z)-2-呋喃-2-基-1-(肼基&lt联氨基&gt羰基)乙烯基]苯酰胺 Ethyl prop-2-enoate;methyl prop-2-enoate;prop-2-enoic acid 28261-93-0 C12H18O6
    4-(乙酰基氨基)-N-[(Z)-2-[4-(二乙胺基)苯基]-1-(肼基&lt联氨基&gt羰基)乙烯基]苯酰胺 2-(bromoethoxy)benzene 28106-10-7 C8H9BrO
    4-(乙酰基氨基)-1-甲基-1H-咪唑-2-羧酸 4-Acetylamino-1-methyl-1H-imidazole-2-carboxylic acid 225667-16-3 C7H9N3O3
    4-(乙酰基氨基)-1,1-联苯-4-磺酰氯 4'-acetylamino-biphenyl-4-sulfonyl chloride 20443-73-6 C14H12ClNO3S
    4-(乙酰基氧基)-8-溴-5-(1-甲基乙氧基)-2-萘羧酸甲酯 Methyl 4-acetoxy-8-bromo-5-isopropoxy-2-naphthoate 225114-49-8 C17H17BrO5
    4-(乙酰基氧基)-7-甲氧基-8-(苯基甲氧基)-2-萘羧酸乙酯 6-Methoxy-5-benzyloxy-3-ethoxycarbonyl-α-naphthol-acetat 2011-01-0 C23H22O6
    4-(乙酰基氧基)-6,8-二甲氧基-2-萘羧酸甲酯 methyl 4-acetoxy-6,8-dimethoxy-naphthalene-2-carboxylate 213967-85-2 C16H16O6
    4-(乙酰基氧基)-6,8-二甲氧基-2-萘羧酸乙酯 ethyl 4-acetoxy-6,8-dimethoxynaphthalene-2-carboxylate 25932-97-2 C17H18O6
    4-(乙酰基氧基)-6,7-二甲氧基-2-萘羧酸甲酯 methyl 4-acetoxy-6,7-dimethoxynaphthalene-2-carboxylate 23673-57-6 C16H16O6
    4-(乙酰基氧基)-5,8-二甲氧基-2-萘羧酸乙酯 ethyl 4-acetoxy-5,8-dimethoxy-2-naphthoate 25932-95-0 C17H18O6
    4-(乙胺基)-1,2,4-三唑 4-(Ethylamino)-1,2,4-triazole 21614-54-0 C4H8N4
    4-(乙烯氧基)硬脂酸丁酯 4-(Vinyloxy)butyl stearate 209072-71-9 C24H46O3
    4-(乙氧基亚甲基)-2-萘-1-基-1,3-恶唑-5-酮 4-ethoxymethylene-2-naphthalen-1-yl-4H-oxazol-5-one 269733-57-5 C16H13NO3
    4-(乙基磺酰基)-N-甲基-2-硝基苯胺 (4-Ethanesulfonyl-2-nitro-phenyl)-methyl-amine 21355-86-2 C9H12N2O4S
    4-(乙基磺酰基)-2-硝基苯胺 4-ethanesulfonyl-2-nitro-aniline 23306-60-7 C8H10N2O4S
    4-(乙基-甲基氨基)-2-萘-1-基丁腈 α-<2-(Aethyl-methyl-amino)-aethyl>-1-naphthylacetonitril 2572-71-6 C17H20N2
    4-(乙基-1-13C)苯甲酸 4-(Ethyl-1-13C)benzoic acid 286367-70-2 C9H10O2
    4-(丙烷-2-磺酰基)苯甲酸 4-(isopropylsulfonyl)benzoic acid 20884-61-1 C10H12O4S
    4-(丙烷-2-基氨基)苯甲腈 4-(isopropylamino)benzonitrile 204078-26-2 C10H12N2
    4-(三苯磷基)巴豆酸甲酯溴化物 (3-methoxycarbonyl-2-propenyl)triphenylphosphonium bromide 2181-98-8 Br*C23H22O2P
    4-(三甲基硅基氧基)-5,6-二氢吡啶-1(2H)-甲酸叔丁酯 tert-butyl 4-[(trimethylsilyl)oxy]-3,6-dihydropyridine-1(2H)-carboxylate 211108-48-4 C13H25NO3Si
    4-(三甲基硅基乙炔基)苄基甲醇 (4-((trimethylsilyl)ethynyl)phenyl)methanol 275386-60-2 C12H16OSi
    4-(三甲基硅基)苯甲酸甲酯 methyl 4-(trimethylsilyl)benzoate 22515-30-6 C11H16O2Si
    4-(三甲基甲硅烷基)噻吩-2-基硼酸 4-(Trimethylsilyl)thiophen-2-ylboronic acid 222840-90-6 C7H13BO2SSi
    4-(三甲基甲硅烷基)丁酸 4-trimethylsilanyl-butyric acid 2345-40-6 C7H16O2Si
    4-(三氟甲硫基)苯甲基溴 4-(trifluoromethylthio)benzyl bromide 21101-63-3 C8H6BrF3S