2-bromo-7-ethyl-5,6-dihydro-1,4-dimethoxynaphthalene

7-bromo-2-ethyl-5,8-dimethoxy-1,2,3,4-tetrahydronaphthalen-1-ol

2-ethyl-5,8-dimethoxy-7-bromo-1-tetralone

4-甲氧基-1,3-异苯并呋喃二酮

6-bromo-5,8-dimethoxy-1,2-dihydronaphthalene