for the following products
1,4,8,11-Tetraazacyclotetradecane, 1,1'-[1,4-phenylenebis(methylene)]bis[4,8,11-tris[(4-methylphenyl)sulfon yl]- and 1,1'-[1,4-Phenylenebis(methylene)]bis[4,8,11-tris[(4-methylphenyl)sulfonyl]-1,4,8,11-tetraazacyclotetradecane