@misc{HuenigWehner1989,
  author    = {Siegfried H{\"u}nig and Ingeborg Wehner},
  title     = {A convenient synthesis of 2,2',6,6'-Tetramethyl-4,4'-bipyridine and its oxidation to 2,2',6,6'-Tetracarboxy-4,4'-bipyridine},
  institution = {Institut f{\"u}r Pharmazie und Lebensmittelchemie},
  type      = {review},
  year        = {1989},
}