2,3-Dihydro-isoxazolo[3,2b]quinazolin-9-one

W-2429 (NSC294836) is considerably more effective than acetylsalicylic acid in inhibiting carrageenan-induced edema and in reducing brewer's yeast-induced fever in rats[2].

[1] Banerjee BN, et al. Toxicological investigation of 2,3-dihydro-9H-isoxazolo[3,2-b]quinazolin-9-one (W-2429). Acuteand subacute toxicity in mice, rats and dogs. Arzneimittelforschung. 1977;27(4):793-801. PMID:301393
[2] Reisner DB, Ludwig BJ, Simon E, Dejneka T, Sofia RD. 2,3-Dihydro-9H-isoxazolo[3,2-b]quinazolin-9-ones and 3,4-dihydro-(1,2)-oxazino [3,2-b]quinazolin-10(2H)-ones. Arzneimittelforschung. 1977;27(4):766-770. PMID:301391