2-O,6-O-dimethyl pyridine-2,6-dicarbothioate

3,6,9,12,15,18,21-heptaoxa-27-azabicyclo[21.3.1]heptacosa-1(27),23,25-triene

16-azabicyclo[10.3.1]hexadeca-1(16),12,14-triene

3,6,9,12,15-pentaoxa-21-azabicyclo[15.3.1]henicosa-1(21),17,19-triene