(-)-O6-Demethylgyrolidine

7,6',12'-trimethoxy-2,2'-dimethyl-oxyacanthan-6-ol;
(-)-Gyrocarpine;
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);