4,4',4'',4'''-(6,7,9,10,17,18,20,21-Octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecine-2,3,13,14-tetrayl)tetrabenzoic acid
2,3,5,6,8,9,11,12,14,15-Decahydrobenzo[b][1,4,7,10,13,16]hexaoxacyclooctadecine-18-carboxylic acid
Dibenzo-24-crown-8
1,1'-(6,7,9,10,17,18,20,21-Octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecine-2,14-diyl)bis(ethan-1-one)
4,4',(5')-Di(t-butyldicyclohexano)-18-crown-6
1,4,10,13-Tetraoxa-7,16-diazacyclooctadecane
Benzo-18-crown 6-Ether
1,4,7,10,13,16,19-Heptaoxacyclohenicosane
15-Bromo-2,3,5,6,8,9,11,12-octahydrobenzo[b][1,4,7,10,13]pentaoxacyclopentadecine
12,13,15,16,18,19,21,22,24,25-Decahydrodinaphtho[2,1-q:1',2'-s][1,4,7,10,13,16]hexaoxacycloicosine
Dibenzo-18-crown-6
2,3,13,14-Tetrabromo-6,7,9,10,17,18-hexahydrodibenzo[b,h][1,4,7,10,13]pentaoxacyclopentadecine
1,4,7,10,13-Pentaoxacyclopentadecane
2,3,5,6,8,9,11,12,14,15-Decahydrobenzo[b][1,4,7,10,13,16]hexaoxacyclooctadecin-18-amine
2,3,16,17-Tetrabromo-6,7,9,10,12,13,20,21,23,24,26,27-dodecahydrodibenzo[b,n][1,4,7,10,13,16,19,22]octaoxacyclotetracosine
1,4,7,10-Tetraoxa-13-azacyclopentadecane
6,7,9,10,17,18,20,21-Octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecine-2,13-diamine
2,3,5,6,8,9-Hexahydrobenzo[b][1,4,7,10]tetraoxacyclododecine-12-carboxylic acid
2,3,5,6,8,9,11,12-Octahydrobenzo[b][1,4,7,10,13]pentaoxacyclopentadecine-15-carboxylic acid
1,4,10-Trioxa-7,13-diazacyclopentadecane
