氯普鲁卡因杂质4 货号:C081004 英文名:Chloroprocaine Impurity 4 同义词:2-(diethylamino)ethyl 2-chloro-4-nitrobenzoate CAS号:10367-96-1 分子式:C13H17ClN2O4 分子量:300.74 询价订购