(R)-1-((3'S,12b'R)-3',4',6',7',12',12b'-hexahydro-1'H-spiro[[1,3]dithiolane-2,2'-indolo[2,3-a]quinolizin]-3'-yl)ethanol

3-acetyl-1,2,6,7,12,12b-hexahydroindolo[2,3-a]quinolizine-2-ethylene thioketal

乙酰丙酮