6-***-2-***甲酸甲酯26218-75-7英文名Methyl6-bromopyridine-2-carboxylate别名6-Bromopyridine-2-carboxylicacidmethylester产品名称6-***-2-***甲酸甲酯分子式C7H6BrNO2分子量216.03CAS登录号26218-75-7)