17-Oxosparteine 489-72-5 7,14-Methano-2H,6H-dipyrido[1,2-a:1',2'-e][1,5]diazocin-6-one, dodecahydro-, [7R-(7.alpha.,7a.alpha.,14.alpha.,14a.beta.)]- L-Oxysparteine NSC127496 Oxosparteine Oxysparteine SPARTEINE, 17-OXO Sparteine, 17-oxo-