Functionalization of the ring a in some benzo[g]pyridazino[1,2-b]phthalazine-6,13-dione derivatives related to anthracyclinones

1. Jiménez, R.
2. Sanz, A.M.
3. Gómez-Contreras, F.
4. Cano, M.C.
5. Yunta, M.J.R.
6. Pardo, M.
7. Campayo, L.