922190-08-7

3-Pyridinecarbonitrile,5-[2-[3-cyano-5-[2-(1-ethyl-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)diazenyl]-2-thienyl]diazenyl]-4-methyl-2,6-bis(phenylamino)-