1-(1-hydroxy-1,4,8b-trimethyl-1,2,3,3a,4,8b-hexahydro-cyclopent[b]indol-3-yl)-ethanone

4-溴-2-甲基丁酸乙酯

2-Amino-4-ethoxy-4-oxobutanoic acid

4-溴-2-硝基苯乙酸乙酯

丁氧基乙氧基二甲基硅烷