1,13-二氮杂-21-冠醚-7

N-甲基氮杂-12冠-4

4,7,10-trioxa-1,13-diazabicyclo[11.3.1]heptadec-15-ene-14,17-dione

10-(2-methoxyethyl)-1,4,7-trioxa-10-azacyclododecane

1-苄基-1-氮杂-12-冠-4