1 6XR (4~{R})-2-[2-(2-hydroxyphenyl)-1,3-thiazol-4-yl]-4,5-dihydro-1,3-thiazole-4-carboxylic acid 1.000 2 188 Pyochelin Fe(III) 0.750 3 EFE Enantio-pyochelin Fe(III) 0.750 4 MN8 2-(4-carcoxy-5-isopropylthiazolyl)benzopiperidine 0.708