6-Boc-1,4,5,7-tetrahydropyrazolo[3,4-c]pyridine-3-carboxylic acid

6-(tert-Butoxycarbonyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylic acid

1,4,5,7-Tetrahydro-6H-pyrazolo[3,4-c]pyridine-3,6-dicarboxylic acid 6-(1,1-dimethylethyl) ester

6H-Pyrazolo[3,4-c]pyridine-3,6-dicarboxylic acid, 1,4,5,7-tetrahydro-, 6-(1,1-dimethylethyl) ester