Synonyms: Rheadan,8-methoxy-16-methyl-2,3:10,11-bis[methylenebis(oxy)]-, (8b)-; Rheadine (8CI); Rhoeadine(7CI); Rhoeadin;[1,3]Dioxolo[4,5-h]-1,3-dioxolo[7,8][2]benzopyrano[3,4-a][3]benzazepine,5b,6,7,8,13b,15-hexahydro-15-methoxy-6-methyl-, [5bR-(5ba,13ba,15a)]-