3a,4,4-trimethyl-1,2-dihydro-[1,3]oxazolo[3,2-a]indole

5-硝基水杨醛

2-(2,3,3-trimethylindol-1-ium-1-yl)ethanol,bromide

2,3,3-三甲基-3H-吲哚

2-溴乙醇