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中文名称 英文名称 CAS号 化学式
4,6,11-三氧杂-1-氮杂-5-铋杂双环[3.3.3]十一烷 [Bi(triethanolaminolate)]n 26151-44-0 Bi*C6H12NO3
4,6(1H,5H)-嘧啶二酮(7CI,9CI) 1<i>H</i>-pyrimidine-4,6-dione 25286-58-2 C4H4N2O2
4,5-辛烷二醇 octane-4,5-diol 22607-10-9 C8H18O2
4,5-环氧环己烷-2-二甲酸二缩水甘油酯 4,5-epoxytetrahydrophthalic acid glycidyl ester 25293-64-5 C14H18O7
4,5-哒嗪二醇,六氢-3-(羟甲基)-,(3R,4R,5R)- 2,4-bis-benzyloxy-5H-pyrrolo[3,2-d]pyrimidine 222631-56-3 C20H17N3O2
4,5-双-(4-甲氧基苯基)-噻唑-2-胺 4,5-bis(4-methoxyphenyl)thiazol-2-amine 24827-38-1 C17H16N2O2S
4,5-双(苯基甲氧基)-1,2-苯二甲腈 4,5-dibenzyloxyphthalonitrile 206995-45-1 C22H16N2O2
4,5-双(4-氯苯基)-1,3-二氢咪唑-2-硫酮 4,5-bis(4-chlorophenyl)-2-mercapto-imidazole 23187-08-8 C15H10Cl2N2S
4,5-双(2-溴-4,5-二甲氧基苯基)异恶唑 4,5-bis(2-bromo-4,5-dimethoxyphenyl)isoxazole 299216-00-5 C19H17Br2NO5
4,5-二苯基-2-咪唑硫醇 2-mercapto-4,5-diphenylimidazole 2349-58-8 C15H12N2S
4,5-二苯基-2-(N-乙基-N-(2-羟基乙基)氨基)恶唑 2-[(4,5-diphenyl-oxazol-2-yl)-ethyl-amino]-ethanol 20503-79-1 C19H20N2O2
4,5-二苯基-2-((2-羟基乙基)氨基)-恶唑 2-(4,5-diphenyl-oxazol-2-ylamino)-ethanol 20503-75-7 C17H16N2O2
4,5-二苯基-1,3-二氧戊环烯-2-酮 4,5-diphenyl-1,3-dioxol-2-one 21240-34-6 C15H10O3
4,5-二苯基-1,2-二氢-哒嗪-3,6-二酮 4,5-diphenyl-1,2-dihydropyridazine-3,6-dione 27666-83-7 C16H12N2O2
4,5-二脱氧戊糖酸 2,3-Dihydroxy-valeric acid 26386-47-0 C5H10O4
4,5-二羟基环己烷-1,2-二羧酸 4,5-dihydroxycyclohexane-1,2-dicarboxylic acid 2403-25-0 C8H12O6
4,5-二羟基-萘-1,3-二磺酸 4,5-dihydroxy-naphthalene-1,3-disulfonic acid 23894-05-5 C10H8O8S2
4,5-二羟基-4,5-二氢苯并(a)芘 4,5-dihydro-B[a]P-diol 28622-84-6 C20H14O2
4,5-二羟基-1-甲基四氢-2H-咪唑-2-硫酮 4,5-dihydroxy-1-methylimidazolidine-2-thione 265986-74-1 C4H8N2O2S
4,5-二羟基-1-甲基咪唑烷-2-酮 mono-N-methyl-4,5-dihydroxyimidazolidin-2-one 22322-62-9 C4H8N2O3
4,5-二羟基-1-(羟基甲基)咪唑啉-2-酮 4,5-Dihydroxy-1-(hydroxymethyl)imidazolidin-2-one 20662-57-1 C4H8N2O4
4,5-二碘-2-甲氧基苯酚 4,5-diiodo-2-methoxyphenol 288387-66-6 C7H6I2O2
4,5-二硝基芴-9-酮-2,7-二羧酸 4,5-dinitrofluoren-9-one-2,7-dicarboxylic acid 24867-37-6 C15H6N2O9
4,5-二硝基-9-氧代-9H-芴-2,7-二羧胺 4,5-dinitrofluoren-9-one-2,7-dicarboxamide 213598-63-1 C15H8N4O7
4,5-二甲氧基靛红酸酐 6,7-dimethoxy-1H-benzo[d][1,3]oxazine-2,4-dione 20197-92-6 C10H9NO5
4,5-二甲氧基-2-萘羧酸甲酯 4,5-Dimethoxy-2-naphthoesaeuremethylester 25932-94-9 C14H14O4
4,5-二甲氧基-2-硝基苯甲酰氯 4,5-dimethoxy-2-nitrobenzoyl chloride 29568-78-3 C9H8ClNO5
4,5-二甲氧基-2-硝基肉桂酸 2-nitro-4,5-dimethoxycinnamic acid 20567-38-8 C11H11NO6
4,5-二甲氧基-2-巯基苯甲胺盐酸盐 2-mercapto-4,5-dimethoxybenzylamine 21407-29-4 C9H13NO2S
4,5-二甲氧基-2-(6,7-二甲氧基异喹啉-1-基甲基)苯甲酸 4,5-dimethoxy-2-(6,7-dimethoxyisoquinolin-1-ylmethyl)benzoic acid 23594-95-8 C21H21NO6
4,5-二甲氧基-1,2-苯并醌 4,5-dimethoxy-1,2-benzoquinone 21086-65-7 C8H8O4
4,5-二甲基辛-1,7-二烯-4,5-二醇 4,5-dimethyl-1,7-octadiene-4,5-diol 24449-03-4 C10H18O2
4,5-二甲基噁唑 4,5-dimethyl-oxazole 20662-83-3 C5H7NO
4,5-二甲基呋喃-2-羰酰氯 4,5-dimethylfuran-2-carbonyl chloride 220769-85-7 C7H7ClO2
4,5-二甲基吡啶-2-甲腈 2-Cyano-4,5-dimethylpyridin 24559-31-7 C8H8N2
4,5-二甲基-5,6-二氢-2(1H)-吡啶酮 4,5-dimethyl-5,6-dihydropyridin-2(1H)-one 204118-36-5 C7H11NO
4,5-二甲基-4,5-二氢-1H-吡唑 4,5-Dimethyl-Δ<sup>2</sup>-pyrazolin 28019-94-5 C5H10N2
4,5-二甲基-3,6-二氢-2H-吡喃-2-羧酸甲酯 2-carbomethoxy-4,5-dimethyl-3,6-dihydro-2H-pyran 24588-61-2 C9H14O3
4,5-二甲基-2-苯基吡啶 4,5-dimethyl-2-phenylpyridine 27063-84-9 C13H13N
4,5-二甲基-2-(三氯甲基)-1,3-二氧戊环 4,5-Dimethyl-2-trichloromethyl-[1,3]dioxolane 25630-47-1 C6H9Cl3O2
4,5-二甲基-2-(1H-吡咯)噻吩-3-羧酸 4,5-dimethyl-2-pyrrol-1-yl-thiophene-3-carboxylic acid 26176-19-2 C11H11NO2S
4,5-二甲基-1H-茚 4,5-dimethylindene 23288-02-0 C11H12
4,5-二甲基-1H-咪唑 4,5-dimethylimidazole 2302-39-8 C5H8N2
4,5-二甲基-1H-吡咯-2-羧酸乙酯 4,5-dimethyl-pyrrole-2-carboxylic acid ethyl ester 2199-45-3 C9H13NO2
4,5-二甲基-1,2-苯二酚 4,5-dimethylbenzene-1,2-diol 2785-74-2 C8H10O2
4,5-二甲基-1,2-噻唑 4,5-Dimethyl-isothiazol 27330-47-8 C5H7NS
4,5-二溴邻苯乙酸 4,5-dibromophthalic acid 24063-28-3 C8H4Br2O4
4,5-二溴苯-1,2-二醇 4,5-dibromobenzene-1,2-diol 2563-26-0 C6H4Br2O2
4,5-二溴水杨基苯胺 4,5-Dibromosalicylanilide 24556-64-7 C13H9Br2NO2
4,5-二溴-2H-1,2,3-三唑 4,5-dibromo-2H-1,2,3-triazole 22300-52-3 C2HBr2N3