1,2-dicarbomethoxy-3,6-dimethoxy-1,4-cyclohexa-1,4-diene

4-甲氧基-2-苯并呋喃-1(3H)-酮

5-甲氧基-1,2,3,4-四氢萘

2,3-二甲苯酚

1-甲氧基萘