1,4,7,10,13,18,21,24,27,30-decaoxacyclotetratriacontane-14,17,31,34-tetrone

1,4,7,10-tetraoxacyclotetradecane-11,14-dione

1,4,7,10,15,18,21,24-八氧杂环二十八烷-11,14,25,28-四酮

1,2-diisocyanatoethane

琥珀醛四甲缩醛