Reactivity of cinnamonitriles with 2-cyano- and 2-ethoxycarbonyl-acetohydrazides: A novel one-step preparation and crystal structure of 3-oxopyrazolo[3,4-b]pyridines

1. Hadi, A.
2. Martin, N.
3. Méndez, C.
4. Quinteiro, M.
5. Seoane, C.
6. Soto, J.L.
7. Albert, A.
8. Cano, F.H.