17-Oxolupanine

2,17-Dioxosparteine

(7R,7aα,14aβ)-Dodecahydro-7α,14α-methano-2H,6H-dipyrido[1,2-a:1',2'-e][1,5]diazocine-6,11-dione

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