• CAS:2640657-65-2

  2,2'',6,6''-tetramethyl-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid

• CAS:1782063-53-9

  [2,​2':5',​2''-​Terpyridine]​-​5,​5''-​dicarboxylic acid

• CAS:1848987-61-0

  Benzoic acid, 3,​3'-​(2,​5-​pyridinediyl)​bis-

• CAS:167695-87-6

  2-​Pyridinemethanamine, α-​2-​pyridinyl-​N,​N-​bis(2-​pyridinylmethyl)​-

• CAS:1971909-14-4

  9H-​Carbazole, 1,​3,​6,​8-​tetra-​1H-​pyrazol-​4-​yl-

• CAS:486445-50-5

  Pyridine,3,​3'-​[(1R,​2S,​3R,​4S)​-​3,​4-​di-​4-​pyridinyl-​1,​2-​cyclobutanediyl]​bis-(9CI)

• CAS:1821388-24-2

  Pyridine, 3,​3',​3''-​[(2,​4,​6-​triethyl-​1,​3,​5-​benzenetriyl)​tris(1,​3,​4-​oxadiazole-​5,​2-​diyl)​]​tris-

• CAS:1528792-35-9

  Pyridine, 4-​[5,​5'-​bi-​1H-​1,​2,​4-​triazol]​-​3-​yl-

• CAS:377064-40-9

  2,​6-​Pyridinedicarboxamid​e, N2,​N6-​di-​1,​3,​4-​thiadiazol-​2-​yl-

• CAS:133930-39-9

  2,​2':4',​4'':2'',​2'''-​Quaterpyridine