(-)-beta-Isosparteine 24915-04-6 7,14-Methano-2H,6H-dipyrido(1,2-a:1',2'-e)(1,5)diazocine, dodecahydro-, (7S-(7alpha,7abeta,14alpha,14abeta))- Dodecahydro-7,14-methano-2H,6H-dipyrido(1,2-a:1',2'-e)(1,5)diazocine (7S-(7alpha,7abeta,14alpha,14abeta))- beta-Isosparteine