(+)-9,10-didehydro-6-methylergoline-8-one

(+/-)-9,10-didehydro-6-methylergoline-8-one

1-pivaloyl-4-bromo-5-oxo-1,3,4,5-tetrahydrobenz[c,d]indole

methyl (6aR,9S)-4,7-ditosyl-4,6,6a,7,8,9-hexahydroindolo[4,3-fg]quinoline-9-carboxylate

重氮甲烷