4-(5-ethyl-3,4-dimethyl-1,3-thiazol-3-ium-2-yl)-N,N-dimethylaniline,iodide

2-溴丁酸

3-硫基-2-戊酮

2-乙基-3-甲基-1H-吲哚

1,3-dibromopentan-2-one