2130-67-8 46810-16-6 5,6-Ddhsp 5,6-Didehydrosparteine 5-Dehydrosparteine 7,14-Methano-2H,6H-dipyrido(1,2-a:1',2'-e)(1,5)diazocine, 1,3,4,7,9,10,11,13,14,14a-decahydro-, (7S-(7alpha,14alpha,14abeta))-