69772-72-1 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)- Stemonine