In wine, histamine, cadaverine, phenylethylamine, putrescine, and tyramine have all been detected. The odor commonly associated with bacterial vaginosis has been linked to cadaverine and putrescine. They are structurally and biosynthetically related to the diamines putrescine and cadaverine. Lysine decarboxylase is an enzyme that converts lysine to cadaverine. This cell can also use -lysine, nitrate and cadaverine as sole nitrogen sources. Three units of cadaverine are used to form the quinolizidine skeleton. Lucifer yellow can also be compounded as a vinyl sulfone, with ethylenediamine, or with cadaverine. Cadaverine is also known by the names 1,5-pentanediamine and pentamethylenediamine. Cadaverine is the decarboxylation product of the amino acid lysine. Cadaverine is a foul-smelling diamine compound produced by the putrefaction of animal tissue. Cadaverine is a toxic diamine with the formula NH(CH)NH, which is similar to putrescine's NH(CH)NH.