10,17-Dioxo-alpha-isosparteine 10,17-Dioxosparteine 52345-93-4 52717-73-4 7,14-Methano-6H,13H-dipyrido(1,2-a:1',2'-e)(1,5)diazocine-6,13-dione, dodecahydro-, (7R-(7alpha,7aalpha,14alpha,14abeta))-