1-chloro-6,7-dimethoxy-8-nitroisoquinoline

6,7-dimethoxy-8-nitro-1(2H)-isoquinolone

8,9-dimethoxy-1H-benzo[de][1,6]naphthiridine hydrochloride

8-amino-1-(2,2-dimethoxyethyl)-6,7-dimethoxyisoquinoline

6,7-dimethoxy-8-nitro-1-(trimethylsilylethynyl)isoquinoline