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 GAB 3-aminobenzoic acid 0.727 9 GBC Gabaculine 0.727 10 O78 (3z)-3-iminocyclohex-1-ene-1-carboxylic acid 0.727 11 PYB 4-amino-(1-methylpyrrole)-2-carboxylic acid 0.727 12 QRM 3-aminocyclohexa-1,3-diene-1-carboxylic acid 0.727 13 VDK [(1s,3s)-3-carboxycyclohexyl]azanium 0.727 14 2PC 3,4-dihydro-2h-pyrrolium-5-carboxylate 0.700 15 8LJ (2s)-2,3-dihydro-1h-pyrrole-2-carboxylic acid 0.700 16 C21 Thiophene-2-carboxylic acid 0.700 17 DPR D-proline 0.700 18 II7 Cis-3-aminocyclobutane carboxylic acid 0.700 19 IQ0 Cyclopentanecarboxylic acid 0.700 20 MW0 (5-methylfuran-2-yl)methanol 0.700 21 PRO Proline 0.700 22 PYC Pyrrole-2-carboxylate 0.700 23 R2G 2,5-anhydro-4-deoxy-D-erythro-pent-4-enitol 0.700 24 UJM (2s)-thiolane-2-carboxylic acid 0.700 25 UJP (2r)-thiolane-2-carboxylic acid 0.700