1	GPA	2-amino-3-guanidino-propionic acid	1.000
2	UAL	(2z)-2-amino-3-(carbamoylamino)prop-2-enoic acid	0.818
3	PG3	Guanidine-3-propanol	0.800
4	DIR	3-{[(E)-amino(hydroxyimino)methyl]amino}alanine	0.750
5	0RJ	3-(formylamino)-L-alanine	0.727
6	URP	N-(aminocarbonyl)-beta-alanine	0.727