| abstract |
Compounds of the Formula (I), where W represents CH or N; and Q represents —CN, —C(═NOH)NH 2 , —CONHR 1 or various herein described heterocyclic radicals; as well as pharmaceutically acceptable salts, solvates, esters and prodrugs thereof. Care adenosine A 2a receptor antagonists and, therefore, are useful in the treatment of central nervous system diseases, in particular Parkinson's disease. |