(E)-2-(4-tert-But­ylphen­yl)-2-cyano-1-(3-methyl-1-vinyl-1H-pyrazol-5-yl)vinyl 2,2-dimethyl­propano­ate

In the title compound, C₂₄H₂₉N₃O₂, the dihedral angle between the benzene and pyrazole rings is 80.55 (7)°. The mol­ecule contains an acrylonitrile moiety and exists in an E conformation. Bioassay tests showed that the title compound exhibited higher acaricidal activity than its Z isomer.