1	512	4-bromo-3-(carboxymethoxy)thiophene-2-carboxylic acid	1.000
2	982	3-(carboxymethoxy)thieno[2,3-B]pyridine-2-carboxylic acid	0.722
3	509	4-bromo-3-(carboxymethoxy)-5-phenylthiophene-2-carboxylic acid	0.700