(-)-Gyrocarpine (-)-O6-Demethylgyrolidine 102487-16-1 2H-1,24:12,15-Dietheno-6,10-metheno-16H-pyrido(2',3':17,18)(1,10)dioxacycloeicosino(2,3,4-ij)isoquinolin-21-ol, 3,4,4a,5,16a,17,18,19-octahydro-9,22,26-trimethoxy-4,17-dimethyl-, (4aS,16aR)- Gyrocarpine Oxyacanthan-6-ol, 6',7,12'-trimethoxy-2,2'-dimethyl-, (1alpha,1'alpha)-