Synonyms: Spiro[furan-2(5H),2'-[2H]furo[3,2-c]pyrrolo[1,2-a]azepin]-5-one,1'-ethyl-1',3'a,4',5',6',8',9',10',10'a,10'b-decahydro-4-methyl-8'-(tetrahydro-4-methyl-5-oxo-2-furanyl)-,[1'a,2'a,3'ab,8'a(2R*,4R*),10'aa,10'ba]-(-)-; (-)-Stemoninine; Stemoninine