1 4RK (2z,5z)-2-[(4-ethylphenyl)imino]-3-methyl-5-[(2-{[4-(1h-tetrazol-5-yl)phenyl]amino}pyridin-4-yl)methylidene]-1,3-thiazolidin-4-one 1.000 2 4RJ 6-({4-[(z)-{(2z)-2-[(4-ethylphenyl)imino]-3-methyl-4-oxo-1,3-thiazolidin-5-ylidene}methyl]pyridin-2-yl}amino)pyridine-3-carboxylic acid 0.744