1 3PA 3-cyclopentyl-propionic acid 1.000 2 XYC (2~{S})-2-azanyl-3-cyclopentyl-propanoic acid 0.909 3 6O5 3-(furan-2-yl)propanoic acid 0.818 4 QTU 3-(thiophen-2-yl)propanoic acid 0.818 5 3YP 3-cyclopentyl-N-hydroxypropanamide 0.750 6 BV7 3-(4-piperidyl)propanoic acid 0.750 7 CXP Cyclohexane propionic acid 0.750 8 HCI Hydrocinnamic acid 0.750 9 JQ8 Phenylpropiolic acid 0.750 10 Q78 L-3-thienylalanine 0.750 11 TCA Phenylethylenecarboxylic acid 0.750 12 TIH Beta(2-thienyl)alanine 0.750 13 XIZ (E)-pyridin-4-yl-acrylic acid 0.750