Common name: Beta-cypermethrinChemical name: Enantiomer (R) -α-cyano-3-phenoxybenzyl- (1S, 3S) -3- (2,2-dichlorovinyl) -2,2-dimethylcyclopropane Carboxylate and (S) -α-cyano-3-phenoxybenzyl- (1R, 3R) -3- (2,2-dichlorovinyl) -2,2-dimethylcyclopropanecarboxylic acid esterMolecular formula: C22H19Cl2NO3Structural formula: