1	CQB	(2~{S})-2-[[(2~{S})-4-methyl-1-oxidanyl-1-oxidanylidene-pentan-2-yl]carbamoyloxy]pentanedioic acid	1.000
2	BXK	(2~{S})-2-[[(2~{R})-4-methyl-1-oxidanyl-1-oxidanylidene-pentan-2-yl]carbamoyloxy]pentanedioic acid	1.000
3	C68	(2~{S})-2-[[(2~{S})-4-methyl-1-oxidanyl-1-oxidanylidene-pentan-2-yl]oxycarbonylamino]pentanedioic acid	0.750