9-isopropoxy-8-methoxy-3-(2-methylprop-1-en-1-yl)-5,6-dihydropyrrolo[2,1-a]isoquinoline-2-carboxylic acid

ethyl 3-formyl-9-isopropoxy-8-methoxy-5,6-dihydropyrrolo[2,1-a]isoquinoline-2-carboxylate

ethyl 9-isopropoxy-8-methoxy-3-(2-methylprop-1-enyl)-5,6-dihydropyrrolo[2,1-a]isoquinoline-2-carboxylate

ethyl 9-hydroxy-8-methoxy-5,6-dihydropyrrolo[2,1-a]isoquinoline-2-carboxylate

1-methyl-7-hydroxy-6-methoxy-3,4-dihydroisoquinoline