(Z)-3'-(2-(1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)-1-hydroxyhydrazinyl)-2'-hydroxy-[1,1'-biphenyl]-3-carboxylic acid
(Z)-3'-(2-(1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)-1-hydroxyhydrazinyl)-2'-hydroxy-[1,1'-biphenyl]-3-carboxylic acid