1 PJ7 4-aminofuran-2-carboxylic acid 1.000 2 FOA 2-furoic acid 0.889 3 TFB Tetrahydrofuran-2-carboxylic acid 0.889 4 14J 5-bromofuran-2-carboxylic acid 0.800 5 2K1 5-methylfuran-2-carboxylic acid 0.800 6 JKH 4-amino-proline 0.800 7 FU2 Furfural 0.778 8 A1LXD D-2-keto-3-deoxypentonate 0.727 9 GAB 3-aminobenzoic acid 0.727 10 GBC Gabaculine 0.727 11 O78 (3z)-3-iminocyclohex-1-ene-1-carboxylic acid 0.727 12 PYB 4-amino-(1-methylpyrrole)-2-carboxylic acid 0.727 13 QRM 3-aminocyclohexa-1,3-diene-1-carboxylic acid 0.727 14 VDK [(1s,3s)-3-carboxycyclohexyl]azanium 0.727 15 2PC 3,4-dihydro-2h-pyrrolium-5-carboxylate 0.700 16 8LJ (2s)-2,3-dihydro-1h-pyrrole-2-carboxylic acid 0.700 17 A1CAB (2s)-3,4-dihydro-2h-pyrrole-2-carboxylic acid 0.700 18 C21 Thiophene-2-carboxylic acid 0.700 19 DPR D-proline 0.700 20 II7 Cis-3-aminocyclobutane carboxylic acid 0.700 21 IQ0 Cyclopentanecarboxylic acid 0.700 22 MW0 (5-methylfuran-2-yl)methanol 0.700 23 PRO Proline 0.700 24 PYC Pyrrole-2-carboxylate 0.700 25 R2G 2,5-anhydro-4-deoxy-D-erythro-pent-4-enitol 0.700 26 UJM (2s)-thiolane-2-carboxylic acid 0.700 27 UJP (2r)-thiolane-2-carboxylic acid 0.700