5,6,13,13a-tetrahydro-2,3,9,10-tetramethoxy-5-oxo-8H-dibenzo[a,g][3]quinolizine ethylene acetal

7,8,13,13a-tetrahydro-3,4,10,11-tetramethoxy-6-methyl-8-oxo-5H-isoindolo[1,2-b][3]benzazepinium iodide ethylene acetal