allyl 3-allyl-4,5,6,8-tetramethoxy-2-naphthoate

ethyl 4,5,6,8-tetramethoxy-3-(prop-2-enyl)-2-naphthoate

2,4,5-三甲氧基苯甲醛

allyl 3-allyl-4-hydroxy-5,6,8-trimethoxy-2-naphthoate