1	9SE	(2~{R},4~{R})-2-methyl-1,3-selenazolidine-2,4-dicarboxylic acid	1.000
2	41K	(2r,4r)-2-methyl-1,3-thiazolidine-2,4-dicarboxylic acid	0.846
3	5XB	(2~{R},4~{R})-1,3-thiazolidine-2,4-dicarboxylic acid	0.769
4	5ZZ	(2~{R},4~{R})-2,5,5-trimethyl-1,3-thiazolidine-2,4-dicarboxylic acid	0.733
5	PDC	Pyridine-2,6-dicarboxylic acid	0.714