4-(1,3-dihydrobenzimidazol-2-ylidene)-3-hydroxycyclohexa-2,5-dien-1-one

2-甲氧基-5-甲基-1,4-苯醌

甲酸

3-(4-methyl-1,3-thiazol-2-yl)-7-hydroxycoumarin

2,4-Bis(3',5'-dimethoxybenzoyloxy)benzyl alcohol