(6-benzoyl-1-methylindol-5-yl)-phenylmethanone

ethyl 1-methylpyrrolo[2,3-c]pyridine-5-carboxylate

ethyl 1-methylpyrrolo[3,2-c]pyridine-6-carboxylate

1-methyl-6,6-dioxothiepino[4,5-b]pyrrole-5,7-dicarboxylic acid

1-methylthiepino[4,5-b]pyrrole 6,6-dioxide