The molecule is an L-polyhomomethionine zwitterion obtained by transfer of a proton from the carboxy to the amino group of L-trihomomethionine; major species at pH 7.3. It is a trihomomethionine zwitterion and a L-polyhomomethionine zwitterion. It is a tautomer of a L-trihomomethionine.
(2S)-2-azaniumyl-7-methylsulfanylheptanoate