N-(2,5-dioxo-7-oxabicyclo[4.1.0]hept-3-en-4-yl)-2-hydroxybenzamide

N-(2-羟基乙基)水杨酰胺

2-(2,5-二甲氧基苯基氨基甲酰)乙酸苯酯

2-(乙酰氧基)苯甲酸3-(羟基甲基)苯基酯

苯并呋喃