14187-32-7 
 
33420-37-0 
 
6,7,9,10,17,18,20,21-Octahydro-5,8,11,16,19,22-hexaoxa-dibenzoa,jcyclooctadecene;compoundwithpyrazine-2,3,5,6-tetracarbonitrile 
[1]Malini,R.;Krishnan,V.[BulletindesSocietesChimiquesBelges,1980,vol.89,#5,p.359-370]
14098-44-3 
 
33420-37-0 
 
6,7,9,10,12,13,15,16-Octahydro-5,8,11,14,17-pentaoxa-benzocyclopentadecene;compoundwithpyrazine-2,3,5,6-tetracarbonitrile 
[1]Malini,R.;Krishnan,V.[BulletindesSocietesChimiquesBelges,1980,vol.89,#5,p.359-370]
14174-09-5 
 
33420-37-0 
 
2,5,8,11,18,21,24,27-Octaoxa-tricyclo26.4.0.012,17dotriaconta-1(32),12,14,16,28,30-hexaene;compoundwithpyrazine-2,3,5,6-tetracarbonitrile 
[1]Malini,R.;Krishnan,V.[BulletindesSocietesChimiquesBelges,1980,vol.89,#5,p.359-370]
[1]Rosokha,YaroslavS.;Lindeman,SergeyV.;Rosokha,SergiyV.;Kochi,JayK.[AngewandteChemie-InternationalEdition,2004,vol.43,#35,p.4650-4652]