1-(2-fluorophenyl)-6-(2-furyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid

3-(1-ethyl-5-methyl-1H-pyrazol-4-yl)-6-methylisoxazolo[5,4-b]pyridine-4-carboxylic acid

3-cyclopropyl-1,6-bis(4-fluorophenyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid

methyl 2,4-dioxo-4-pyridin-3-ylbutanoate

ethyl (3-cyclopropyl-1H-pyrazol-1-yl)acetate

1-[2-(isopropylamino)-2-oxoethyl]-3,6-dimethyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid

methyl 5-chloro-6-cyclopropyl-3-methylisoxazolo[5,4-b]pyridine-4-carboxylate

5-chloro-6-cyclopropyl-3-methylisoxazolo[5,4-b]pyridine-4-carboxylic acid

1-[2-(cyclopentylamino)-2-oxoethyl]-6-cyclopropyl-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid

1-[2-(cyclopentylamino)-2-oxoethyl]-3,6-dicyclopropyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid

3-cyclopropyl-1-[2-(isopropylamino)-2-oxoethyl]-6-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid