mono(1,1'-(ethane-1,2-diyl)bis(quinuclidin-1-ium)) monobromide

3-(2-溴乙基)恶唑并[4,5-b]吡啶-2(3H)-酮

2-[2-(2,2,2-三氟乙氧基)苯氧基]乙基溴

5-羟基-2-戊酮

2-溴-2-丁烯