1-hexadecyl-1,4,8,11-tetrazacyclotetradecane

1,5,8,12-tetrazabicyclo[10.2.2]hexadecane

1,4,8,11-四氮环[9.3.1.1(4,8)]十六烷

3-[4,8,11-tris(2-cyanoethyl)-1,4,8,11-tetrazacyclotetradec-1-yl]propanenitrile

1,4,8,11-tetrabenzyl-1,4,8,11-tetrazacyclotetradecane