7,14-methano-2H,11H-dipyrido[1,2-a:1',2'-e][1,5]diazocin-11-one, dodecahydro- InChI=1/C15H24N2O/c18-15-6-3-5-14-11-8-12(10-17(14)15)13-4-1-2-7-16(13)9-11/h11-14H,1-10H spartein-2-one