4-methyl-2,3-didehydrospartein-4-ol 7,14-methano-2H,6H-dipyrido[1,2-a:1',2'-e][1,5]diazocin-2-ol, 1,7,7a,8,9,10,11,13,14,14a-decahydro-2-methyl- InChI=1/C16H26N2O/c1-16(19)5-7-18-10-12-8-13(15(18)9-16)11-17-6-3-2-4-14(12)17/h5,7,12-15,19H,2-4,6,8-11H2,1H