甲巯咪唑亚硝基杂质4 货号:T064004 英文名:Thiamazole Nitroso Impurity 4 同义词:N-(2,2-dimethoxyethyl)-N-methylnitrous amide CAS号:111348-65-3 分子式:C5H12N2O3 分子量:148.16 询价订购