5,5-二甲-1,3-二恶烷-2-酮

3-氯-2,2-二甲基-1-丙醇

3,3,7,7,11,11,15,15-octamethyl-1,5,9,13-tetraoxacyclohexadecane

3,3,7,7,11,11,15,15,19,19,-decamethyl-1,5,9,13,17-pentaoxacycloicosene

3,3,7,7,11,11,15,15,19,19,23,23-dodecamethyl-1,5,9,13,17,21-hexaoxacyclotetracosane