Eltrombopag Impurity 21

Chemical Name: (Z)-3'-(2-(1-(3,4-Dimethylphenyl)-3-methyl-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene)-1-nitrosohydrazinyl)-2'-hydroxy-[1,1'-biphenyl]-3-carboxylic acid

Synonym: (Z)-3'-(2-(1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)-1-nitrosohydrazinyl)-2'-hydroxy-[1,1'-biphenyl]-3-carboxylic Acid;

Smile: O=C(N(C1=CC=C(C)C(C)=C1)N=C/2C)C2=N/N(C3=CC=CC(C4=CC(C(O)=O)=CC=C4)=C3O)N=O