22013-33-8
6-氨基-1,4-苯并二氧杂环
→
84139-00-4
(2,3-二氢-苯并[1,4]二噁英-6-基)-肼
84139-04-8
ethyl 3,6-dihydro-2H-[1,4]dioxino[2,3-f]indole-7-carboxylate