6-Methyl-5-nitro-1H-pyrrolo[2,3-b]pyridine-3-carbaldehyde
2-Ethoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine
5-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine
6-Chloro-1-methyl-1H-pyrazolo[3,4-b]pyridine-5-carbaldehyde