1	PG3	Guanidine-3-propanol	1.000
2	GPA	2-amino-3-guanidino-propionic acid	0.800
3	EGD	N-ethylguanidine	0.750
4	AG2	Agmatine	0.700
5	URP	N-(aminocarbonyl)-beta-alanine	0.700