A novel class of cardiotonic agents: Synthesis and biological evaluation of pyridazino[4,5‐b]indoles with cyclic AMP phosphodiesterases inhibiting properties

1. Monge, A.
2. Aldana, I.
3. Losa, M.J.
4. Font, M.
5. Castiella, E.
6. Frechilla, D.
7. Cenarruzabeitia, E.
8. de Irujo, J.J.M.
9. Lopez‐unzu, J.
10. Alberdi, E.
11. Santiago, E.