4,4,8-trimethyl-1-oxaspiro[2.5]oct-7-ene

2-(1-甲基乙烯)环氧乙烷

2-thiophen-2-yloxirane

6-(2-phenylethyl)-1-oxa-6-azaspiro[2.5]octane

2-(4-溴苯基)-2-甲基-环氧乙烷