3-{(3E)-4-hydroxy-6-oxo-3-[(2-phenylethyl)imino]cyclohexa-1,4-dien-1-yl}-L-alanine
3-{(3e)-4-hydroxy-6-oxo-3-[(2-phenylethyl)imino]cyclohexa-1,4-dien-1-yl}-l-alanine
A non-proteinogenic <small>L</small>-α-amino acid obtained by formal condensation of the 3-oxo group of <small>L</small>-topaquinone with the amino group of 2-phenylethylamine.