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CAS号: 147738-83-8 英文名称: 3H-Pyrazol-3-one,4,5-dihydro-5-methyl-4-nitroso-(9CI) 英文同义词: 3-methyl-4-nitroso-3,4-dihydropyrazol-5-one;3H-Pyrazol-3-one, 4,5-dihydro-5-methyl-4-nitroso-;3H-Pyrazol-3-one,4,5-dihydro-5-methyl-4-nitroso-(9CI) 中文名称: 中文同义词: 分子式: C4H5N3O2 分子量: 127.1