1	1TY	3-{(3e)-4-hydroxy-6-oxo-3-[(2-phenylethyl)imino]cyclohexa-1,4-dien-1-yl}alanine	1.000
2	2TY	2-hydroxy-5-{[(1e)-2-phenylethylidene]amino}-L-tyrosine	1.000
3	TTS	3-((3e)-4-hydroxy-3-{[2-(4-hydroxyphenyl)ethyl]imino}-6-oxocyclohexa-1,4-dien-1-yl)alanine	0.958
4	ESB	3-[(3e)-3-(ethylimino)-4-hydroxy-6-oxocyclohexa-1,4-dien-1-yl]-L-alanine	0.739