3,17-didehydrostemmadenine <=> 17-dehydropreakuammicine
3,17-didehydrostemmadenine <=> 17-dehydropreakuammicine
3,17-didehydrostemmadenine <=> 17-dehydropreakuammicine
3,17-didehydrostemmadenine <=> 17-dehydropreakuammicine