ethyl 8-methoxy-9-(pyrimidin-5-yl)-3-(thiophen-2-yl)-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

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