2-(6-甲氧基-1-氧代-1,2,3,4-四氢萘-2-基)-2-甲基丙二酸二乙酯

2-甲基癸酸

diethyl 2,3-dimethyl-2,3-dicarbethoxy-1,4-succinate

2-甲氧基-1,4-萘醌

diethyl 2-methyl-2,4-dicarbethoxyglutarate