7-甲氧基-2,3-二氢-苯并[1,4]二噁英-6-甲醛

原儿茶醛

6-羟基-1,4-苯并二噁烷

6-methoxy-2,3-dihydrobenzo[b][1,4]dioxine

6-氨基-1,4-苯并二氧杂环