p. 2151 - 2157
(2002)2,8-ditosyl-2,5,8-triaza-5-methyl[9]-2,2'-dipyridinophane
2,8,23,29-tetratosyl-2,5,8,23,26,29-hexaaza-5,26-dimethyl[24]-10,21,31,42-bis-dipyridinophane
7-Methyl-4,10-bis-(toluene-4-sulfonyl)-1-oxa-4,7,10-triaza-cyclododecane
1-methyl-7-pentyl-4,10-bis(toluene-p-sulphonyl)-1,4,7,10-tetraazacyclododecane