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• CAS:1234616-39-7

  3H-Imidazo[4,5-c]pyridine-7-carboxylic acid

• CAS:1265896-03-4

  Imidazo[1,​2-​a]​pyrazine-​3-​carboxylic acid

• CAS:1256807-59-6

  1h-pyrazolo[4,3-b]pyridine-6-carboxylic Acid

• CAS:109890-25-7

• CAS:30081-56-2

• CAS:2326-78-5

  4,4′-Dihydroxy-2,2'-Bipyridine

• CAS:15862-19-8

  5-Bromo-2,2'-Bipyridine

• CAS:1802-32-0

  5-Hydroxy-2,2'-Bipyridine

• CAS:352530-29-1

  4-Ethynylpyridine hydrochloride