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