3-[(5-Oxo-5H-[1,3,4]thiadiazolo[2,3-b]quinazolin-2-yl)amino]butanal 3-methyl-3(5-oxo-1,3,4-thiadiazol/2,5-d/quinazolin-2-ylamino)-propanal-1 AIDS-045804 AIDS045804 NSC702029