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  4-(Carboxyethynyl)benzoic acid

• CAS:2361294-28-0

  Benzoic acid, 4,​4'-​(5,​10-​phenazinediyl)​bis-

• CAS:1337527-84-0

• CAS:2172939-31-8

• CAS:3753-81-9

  Benzoic acid,4,4'-[1,3-propanediylbis(oxy)]bis-

• CAS:64189-98-6

  Bis(2,2'-bipyridyl)(4,4'-dicarboxyl-2,2'-bipyridyl)ruthenium(II) bishexafluorophosphate

• CAS:866113-94-2

  4,4'-BIPYRIDINIUM, 1,1'-BIS[(4-CARBOXYPHENYL)METHYL]-, DICHLORIDE

• CAS:1451254-94-6

• CAS:

  9,9'-Spirobifluorene-2,7-dicarboxylic acid

• CAS:

  4,4'-(piperazine-1,4-diyl)dibenzoic acid