2-(1,4,7,10-tetraoxa-13-azacyclopentadec-13-yl)ethanol

2-氨基甲基-18-冠-6

2,2,3-trimethyl-1,4,7,10,13,16-hexaoxacyclooctadecane

2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxymethylbenzene

13-[(2-nitrophenyl)methyl]-1,4,7,10-tetraoxa-13-azacyclopentadecane