Synthesis, molecular structure and tautomerism of 1(2)H-dihydropyrazolo[3,4-b]pyridin-6-ones

1. Quiroga, J.
2. Insuasty, B.
3. Hormaza, A.
4. Cabildo, P.
5. Claramunt, R.M.
6. Elguero, J.