1 R9M 3-(1,3-thiazol-2-yl)propanoic acid 1.000 2 QTU 3-(thiophen-2-yl)propanoic acid 0.818 3 A1IIG (3~{S})-3-azanyl-3-thiophen-2-yl-propanoic acid 0.750 4 TIH Beta(2-thienyl)alanine 0.750 5 TZL 2-(sec-butyl)thiazole 0.727 6 XBT 2-[(1r)-1-methylpropyl]-4,5-dihydro-1,3-thiazole 0.727 7 ZBT 2-[(1s)-1-methylpropyl]-4,5-dihydro-1,3-thiazole 0.727 8 EYJ 3-(1,3-benzothiazol-2-yl)propanoic acid 0.714