Ethyl 1H-pyrazolo[4,3-b]pyridine-3-carboxylate
Methyl 1H-pyrazolo[4,3-b]pyridine-6-carboxylate
Methyl 1H-pyrazolo[4,3-b]pyridine-5-carboxylate
tert-Butyl 6,7-dihydro-2H-pyrazolo[4,3-c]pyridine-5(4H)-carboxylate
tert-Butyl 3a-benzyl-2-methyl-3-oxo-3a,4,6,7-tetrahydro-2H-pyrazolo[4,3-c]pyridine-5(3H)-carboxylate
tert-Butyl 5,6-dihydro-1H-pyrazolo[3,4-b]pyridine-7(4H)-carboxylate
tert-Butyl 4,5-dihydro-2H-pyrazolo[3,4-c]pyridine-6(7H)-carboxylate
