putrescine

A colorless, foul-smelling ptomaine, C₄H₁₂N₂, produced in decaying animal tissue by the decarboxylation of ornithine.

A diamine, NH2(CH2)4NH2 (1,4-diaminobutane or butanediamine). It is produced by the breakdown of amino acids in living and dead organisms.

a colorless crystalline ptomaine with a foul odor that is produced in decaying animal matter