1 EAY (2r,3e)-2-hydroxy-3-imino-2,3-dihydrooxepine-4-carboxylic acid 1.000 2 3HA 3-hydroxyanthranilic acid 0.769 3 HHA (2s,3s)-trans-2,3-dihydro-3-hydroxyanthranilic acid 0.769 4 2X7 (3e)-3-iminooxepin-2(3h)-one 0.750 5 4AA 4-chloro-3-hydroxyanthranilic acid 0.714