1 2KY (2s)-amino(cyclopentyl)ethanoic acid 1.000 2 0PA Cyclopentylacetic acid 0.900 3 7N0 2-[(1~{S})-2-oxidanylidenecyclopentyl]ethanoic acid 0.818 4 004 (2s)-amino(phenyl)ethanoic acid 0.750 5 7VN (2s)-2-cyclopentyl-2-(methylamino)ethanoic acid 0.750 6 CHG Cyclohexyl-glycine 0.750 7 PG9 D-phenylglycine 0.750 8 7RX (R)-homoproline 0.727 9 EOE Beta3-proline 0.727 10 SJU (furan-2-yl)acetic acid 0.727 11 SPA Thiopheneacetic acid 0.727 12 YW6 2-(furan-3-yl)ethanoic acid 0.727 13 IGL Alpha-amino-2-indanacetic acid 0.714