(1S,6S)-6-ammonio-5-oxocyclohex-2-ene-1-carboxylate
(1s,6s)-6-ammonio-5-oxocyclohex-2-ene-1-carboxylate
An amino acid zwitterion, obtained by transfer of a proton from the carboxylic acid group to the amino group of (1<i>S</i>,6<i>S</i>)-6-amino-5-oxocyclohex-2-ene-1-carboxylic acid.