4-hydroxy-2,3-dimethoxy-4-(3-methoxyphenyl)cyclobutenone

4,7-二甲氧基-6-(苯基甲氧基)-2-萘羧酸

Methyl 6-(benzyloxy)-4,7-dimethoxy-2-naphthoate

5-nitronaphthalene-1,4-dione

7-Benzyloxy-1,6-dimethoxy-naphthalin