1-(3-(Hydroxy(oxido)amino)phenyl)-4-methyl-10lambda~5~-[1,3]thiazolo[3,2-a]quinazolin-5(4H)-one hydrobromide 4-Methyl-1-(3-nitrophenyl)-5-oxo-4,5-dihydro[1,3]thiazolo[3,2-a]quinazolin-10-ium- AIDS-157986 AIDS157986 NSC658288 (BROMIDE SALT)