CGS 15943 is a member of the class of triazoloquinazolines that is [1,2,4]triazolo[1,5-c]quinazoline substited at positions 2, 5 and 9 by furan-2-yl, amino and chloro groups respectively. A potent antagonist at adenosine A1 and adenosine A2A receptors. It has a role as a central nervous system stimulant, an antineoplastic agent, an adenosine A2A receptor antagonist and an adenosine A1 receptor antagonist. It is a triazoloquinazoline, a member of furans, an aromatic amine, an organochlorine compound, a primary amino compound and a biaryl.