Aphyllidine

(7R)-3,4,7,7aβ,8,9,10,11,13,14-Decahydro-7α,14α-methano-2H,6H-dipyrido[1,2-a:1',2'-e][1,5]diazocin-6-one

(7S,7aR,14R)-3,4,7α,7aα,8,9,10,11,13,14α-Decahydro-7β,14β-methano-2H,6H-dipyrido[1,2-a:1',2'-e][1,5]diazocin-6-one