Exploring the influence of the substituent at position 4 in a series of 3,4-dihydropyrimidin-2(1H)-one A2B adenosine receptor antagonists

1. Crespo, A.
2. El Maatougui, A.
3. Azuaje, J.
4. Escalante, L.
5. Majellaro, M.
6. Loza, M.I.
7. Brea, J.
8. Cadavid, M.I.
9. Gutiérrez-de-terán, H.
10. Sotelo, E.