dimethyl 5,6-dihydro-8-hydroxy-3-methylpyrrolo(2,1-a)isoquinoline-1,2-dicarboxylate

[1-(cyclohexylcarbamoyloxymethyl)-8-methoxy-3-methyl-5,6-dihydropyrrolo[2,1-a]isoquinolin-2-yl]methyl N-cyclohexylcarbamate

[8-methoxy-3-methyl-1-(propan-2-ylcarbamoyloxymethyl)-5,6-dihydropyrrolo[2,1-a]isoquinolin-2-yl]methyl N-propan-2-ylcarbamate