1 SPA Thiopheneacetic acid 1.000 2 0PA Cyclopentylacetic acid 0.800 3 7RX (R)-homoproline 0.800 4 EOE Beta3-proline 0.800 5 SJU (furan-2-yl)acetic acid 0.800 6 2KY (2s)-amino(cyclopentyl)ethanoic acid 0.727 7 7N0 2-[(1~{S})-2-oxidanylidenecyclopentyl]ethanoic acid 0.727 8 A1EAK (2~{R})-2-azanyl-2-cyclopentyl-ethanoic acid 0.727 9 MUC [(2s)-5-oxo-2,5-dihydrofuran-2-yl]acetic acid 0.727 10 PAC 2-phenylacetic acid 0.727 11 W5H (1-methyl-1h-pyrrol-2-yl)acetic acid 0.727