2-ethyl-4,7-dihydro-[1,3]dioxepine 、
2-甲基环戊并-1,3-二烯 生成
6,9-Methano-2,4-benzodioxepin,3-ethyl-1,5,5a,6,9,9a-hexahydro-7-methyl- 、 6,9-Methano-2,4-benzodioxepin,3-ethyl-1,5,5a,6,9,9a-hexahydro-7-methyl- 、 6,9-Methano-2,4-benzodioxepin,3-ethyl-1,5,5a,6,9,9a-hexahydro-7-methyl- 、 6,9-Methano-2,4-benzodioxepin,3-ethyl-1,5,5a,6,9,9a-hexahydro-7-methyl-