1 EOE Beta3-proline 1.000 2 7RX (R)-homoproline 1.000 3 W5H (1-methyl-1h-pyrrol-2-yl)acetic acid 0.900 4 0PA Cyclopentylacetic acid 0.800 5 IZC 2h-imidazol-4-ylacetic acid 0.800 6 SJU (furan-2-yl)acetic acid 0.800 7 SPA Thiopheneacetic acid 0.800 8 SSC (2s,5s)-5-carboxymethylproline 0.750 9 2KY (2s)-amino(cyclopentyl)ethanoic acid 0.727 10 7N0 2-[(1~{S})-2-oxidanylidenecyclopentyl]ethanoic acid 0.727 11 MUC [(2s)-5-oxo-2,5-dihydrofuran-2-yl]acetic acid 0.727 12 PAC 2-phenylacetic acid 0.727