2-***-5-羟基***55717-45-8英文名2-Bromo-5-hydroxypyridine别名5-Hydroxy-2-bromopyridine;6-Bromo-3-hydroxypyridine产品名称2-***-5-羟基***;3-羟基-6-******分子式C5H4BrNO分子量173.99CAS登录号55717-45-8)