5-甲基-3(2H)-哒嗪酮 货号:C300120 英文名:5-Methyl-3(2H)-pyridazinone 同义词:5-methylpyridazin-3(2H)-one CAS号:54709-94-3 分子式:C5H6N2O 分子量:110.11 询价订购