5-溴-2-氯吡啶53939-30-3英文名5-Bromo-2-chloropyridine别名2-Chloro-5-bromopyridine产品名称5-溴-2-氯吡啶;2-氯-5-溴吡啶分子式C5H3BrClN分子量192.44CAS登录号53939-30-3熔点67-71ºC)