tert-butyl 4-((2,3-dihydrobenzo[b][1,4]dioxin-2-yl)methyl)piperazine-1-carboxylate

哌嗪

2-氯甲基-1,4-苯并二噁烷

2-羟基甲基-1,4-苯二恶

1,4-苯并二噁烷-2-羧酸甲酯