2-(5-oxo-3-sulfanylidene-2H-1,2,4-triazin-6-yl)benzoic acid

2-(5-oxo-3-sulfanylidene-2H-1,2,4-triazin-6-yl)benzamide

3-oxo-1H-2-benzofuran-1-carboxamide

4-氧代-3-苯基二氮杂萘-1-羧酸

(8ci,9ci)-1H-2-苯并吡喃-1,3,4-三酮