3-[2-(3-oxo-2-benzofuran-1-ylidene)ethylidene]-2-benzofuran-1-one

1,1,3,3-四氯丙酮

7-羟基-2-甲基-4H-1-苯并吡喃-4-酮

N-(N'-carbamoylcarbamimidoyl)benzamide

methyl 2,5,5-trimethyl-4H-1,3-thiazole-4-carboxylate