71239-66-2 Croomine Spiro(furan-2(5H),9'-(9H)pyrrolo(1,2-a)azepin)-5-one, decahydro-4-methyl-3'-(tetrahydro-4-methyl-5-oxo-2-furanyl)-, (3'S-(3'alpha(2R*,4R*),9'alpha(S*),9'aalpha))-