4-Oxo-4,5,6,7-tetrahydro-pyrazolo[1,5-a]pyridine-2,5-dicarboxylic acid diethyl ester

4-Oxo-4,5,6,7-tetrahydro-pyrazolo[1,5-a]pyridine-2,5-dicarboxylic acid diethyl ester · CAS 459157-16-5