123199-82-6 2-Hydroxy-N-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)benzamide Benzamide, 2-hydroxy-N-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)- N-(1,2,3-Benzotriazin-4(3H)-one-3-yl)salicylamide