1	PJL	(3~{E})-3-[(~{E})-3-oxidanylprop-2-enoyl]iminopropanoic acid	1.000
2	23P	3-(propanoylamino)-L-alanine	0.833
3	5XW	(2~{z})-2-(1-oxidanyl-3-oxidanylidene-propyl)iminobutanedioic acid	0.786
4	LV8	(2~{S})-3-acetamido-2-azanyl-propanoic acid	0.750
5	5XR	2-hydroxy-N-[(1s)-1-hydroxy-3-oxopropyl]-L-aspartic acid	0.733
6	JWG	4-(3-hydroxy-3-oxopropylamino)-4-oxidanylidene-butanoic acid	0.714