2-(4-bromophenyl)-1-(3',4'-diethoxyphenyl)-8,9-diethoxy-5,6-dihydropyrrolo[2,1-a]isoquinoline
1-<2-hydroxy-1-(3,4-diethoxyphenyl)-2-trifluoromethyl-3,3,3-trifluoropropyl>-7,8-diethoxy-3,4-dihydroisoquinoline
2-hydroxy-1-(3,4-diethoxyphenyl)-3-oxo-2-trifluoromethyl-8,9-diethoxy-2,3,5,6-tetrahydropyrolo<2,1-a>isoquinoline