5-甲氧基-3-甲基苯并呋喃-2-羧酸

2-(2-acetyl-4-methoxyphenoxy)acetic acid

5-甲氧基-3-甲基苯并呋喃

2,3,4,5-tetrahydro-7-methoxy-1-benzoxepin-3,5-dione

5-甲氧基-3-甲基-苯并呋喃-2-羧酸乙酯