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

5,6,13,13a-tetrahydro-2,3,9,10-tetramethoxy-7-methyl-5-oxo-8H-dibenzo[a,g][3]quinolizinium iodide ethylene acetal

2',3',9',10'-tetramethoxy-7'-methyl-7',8',13',13a'-tetrahydro-6'H-spiro[[1,3]dioxolane-2,5'-isoquinolino[3,2-a]isoquinolin]-7'-ium acetate

(E)-3-(3,4-methylenedioxybenzylidene)-6,7-dimethoxyphthalimidin-2-ylacetic acid

2,3,9,10-tetramethoxy-isoquino[3,2-a]isoquinolinylium, bromide