2,3,8-trimethoxy-6-methyl-11H-indeno[1,2-c]isoquinolin-6-ium-9-ol,chloride

3t-benzo[1,3]dioxol-5-yl-6,7-dimethoxy-2-methyl-1-oxo-1,2,3,4-tetrahydro-isoquinoline-4r-carboxylic acid

(4S)-3-(1,3-benzodioxol-5-yl)-6,7-dimethoxy-2-methyl-1-oxo-3,4-dihydroisoquinoline-4-carboxylic acid