1 9E9 5-chloro thiophene-2-carboxylic acid 1.000 2 C21 Thiophene-2-carboxylic acid 0.889 3 UJM (2s)-thiolane-2-carboxylic acid 0.889 4 UJP (2r)-thiolane-2-carboxylic acid 0.889 5 60P 3-methylthiophene-2-carboxylic acid 0.800 6 F0O 2-chloranyl-1,3-thiazole-5-carboxylic acid 0.800 7 FQI 5-chloro-2-thiophenecarboxamide 0.800 8 LW1 Thiophene-2-carbaldehyde 0.778 9 174 4-chloro-benzoic acid 0.727 10 8N8 3,4-bis(bromanyl)thiophene-2-carboxylic acid 0.727 11 2PC 3,4-dihydro-2h-pyrrolium-5-carboxylate 0.700 12 8LJ (2s)-2,3-dihydro-1h-pyrrole-2-carboxylic acid 0.700 13 DPR D-proline 0.700 14 FOA 2-furoic acid 0.700 15 IQ0 Cyclopentanecarboxylic acid 0.700 16 PRO Proline 0.700 17 PYC Pyrrole-2-carboxylate 0.700 18 T2C (2s)-1,3-thiazolidine-2-carboxylic acid 0.700 19 TFB Tetrahydrofuran-2-carboxylic acid 0.700 20 UJD 1,3-dithiolane-2-carboxylic acid 0.700