• CAS:46321-76-0

  2,​5-​Pyrazinedicarboxylic acid,dihydrazide

• CAS:2382010-56-0

• CAS:851340-73-3

  [1,1':4',1''-terphenyl]-4,4''-bis(carboximidamide)

• CAS:854245-12-8

  2,​2'-​Diamino-​5,​5'-​bipyridyl

• CAS:346-88-3

  3,3'-Bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diamine

• CAS:2130-56-5

  4,4'-diamino-[1,1'-Biphenyl]-3,3'-dicarboxylicacid

• CAS:1038-66-0

  [1,1'-Biphenyl]-4,4'-diamine,2,2',3,3',5,5',6,6'-octafluoro-

• CAS:17626-02-7

  1,4-Benzenediamine,2,5-dimethoxy-

• CAS:49592-84-9

  Methyl 2,5-Diaminobenzoate

• CAS:7479-12-1