4-Hydroxy-7-oxo-5-heptenoic Acid (HOHA) Lactone is a Biologically Active Precursor for the Generation of 2-(ω-Carboxyethyl)pyrrole (CEP) Derivatives of Proteins and Ethanolamine Phospholipids. - Wang H; Linetsky M; Guo J; Choi J; Hong L; Chamberlain AS; Howell SJ; Howes AM; Salomon RG (Chemical research in toxicology, 2015)