1	CMA	N2-(carboxyethyl)-L-arginine	1.000
2	MGG	2-(2-carboxy-acetylamino)-5-guanidino-pentanoic acid	0.944
3	AAG	N-alpha-L-acetyl-arginine	0.778
4	MMO	N~2~-methyl-L-arginine	0.765
5	SUG	N~2~-(3-carboxypropanoyl)-L-arginine	0.714
6	6DB	Octopine	0.700