1	7UC	(3~{R})-3-(2-hydroxy-2-oxoethylamino)butanoic acid	1.000
2	8S6	(3r)-3-(oxaloamino)butanoic acid	0.917
3	E79	(3r)-3-[[(1r)-1,2-bis(oxidanyl)-2-oxidanylidene-ethyl]amino]butanoic acid	0.917
4	CL5	N-(3-oxopropyl)glycine	0.818
5	3A5	(2z,4s)-3-aza-5-carboxyl-2-methyl-4(methylcarboxy)pent-2-enoyl	0.733
6	IPG	N-isopropyl glycine	0.727