1	LLY	Nz-(dicarboxymethyl)lysine	1.000
2	KYQ	(E)-N~6~-(1-carboxy-2-hydroxyethylidene)-L-lysine	0.941
3	KPI	(2s)-2-amino-6-[(1-hydroxy-1-oxo-propan-2-ylidene)amino]hexanoic acid	0.882
4	RF9	N~6~-[(1r)-1-carboxyethyl]-L-lysine	0.882
5	FF9	(2s)-2-azanyl-6-[(E)-(1-oxidanyl-1-oxidanylidene-butan-2-ylidene)amino]hexanoic acid	0.833
6	KPF	N-(1-carboxy-2-fluoro-ethenyl) lysine	0.833
7	6DN	(2~{S})-2-azanyl-6-(2-hydroxy-2-oxoethylamino)hexanoic acid	0.824
8	ILY	N~6~-propan-2-yl-L-lysine	0.765
9	X5H	(~{E})-6-(2-hydroxy-2-oxoethylamino)hex-4-enoic acid	0.765
10	74P	(E)-N~6~-(1-carboxy-3-oxobutylidene)-L-lysine	0.750
11	KKA	(2s)-2-azanyl-6-oxidanylidene-6-[[(2s)-1-oxidanyl-1-oxidanylidene-4-sulfanyl-butan-2-yl]amino]hexanoic acid	0.750
12	SHR	N-(5-amino-5-carboxypentyl)glutamic acid	0.714
13	LDH	N~6~-ethyl-L-lysine	0.706