1	5XB	(2~{R},4~{R})-1,3-thiazolidine-2,4-dicarboxylic acid	1.000
2	41K	(2r,4r)-2-methyl-1,3-thiazolidine-2,4-dicarboxylic acid	0.917
3	7NW	2-methyl-1,3-thiazole-4-carboxylic acid	0.818
4	5ZZ	(2~{R},4~{R})-2,5,5-trimethyl-1,3-thiazolidine-2,4-dicarboxylic acid	0.786
5	9SE	(2~{R},4~{R})-2-methyl-1,3-selenazolidine-2,4-dicarboxylic acid	0.769
6	PDC	Pyridine-2,6-dicarboxylic acid	0.769
7	2MT	(4r)-2,2-dimethyl-1,3-thiazolidine-4-carboxylic acid	0.750
8	PRS	Thioproline	0.727
9	T2C	(2s)-1,3-thiazolidine-2-carboxylic acid	0.727
10	7NF	2-ethoxycarbonyl-1,3-thiazole-4-carboxylic acid	0.714