1,5-Di­methyl-2-phenyl-4-[(E,E)-3-phenyl­prop-2-enyl­idene­amino]-1H-pyrazol-3(2H)-one

The title compound, C20H19N3O, is a Schiff base compound derived from 4-amino­antipyrine and cinnam­aldehyde. As expected, the molecular structure adopts a trans configuration about the central C=N double bond.