9H-Naphtho[1',2':4,5][1,3]thiazolo[3,2-b][1,2,4]triazine-9,10(11H)-dione AIDS-131738 AIDS131738 NSC624494 {9H-Naphtho[1',2':4,5]thiazolo[3,2-b]-1,2,4-triazine-} 9, 10(11H)-dione