1	URQ	(2s)-3-(carbamoylamino)-2-methylpropanoic acid	1.000
2	URP	N-(aminocarbonyl)-beta-alanine	0.900
3	UAL	(2z)-2-amino-3-(carbamoylamino)prop-2-enoic acid	0.818
4	0RJ	3-(formylamino)-L-alanine	0.727
5	A1D9S	3-carbamimidamidopropanoic acid	0.727