安乃近EP杂质A 货号:M083002 英文名:Metamizole EP Impurity A 同义词:N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)formamide CAS号:1672-58-8 分子式:C12H13N3O2 分子量:231.25 询价订购