title: X-ray crystal structures of two pyrethroid insecticides: cis-3-phenoxybenzyl 3-(2,2-dibromovinyl)-2,2-dimethylcyclopropanecarboxylate and the 3-(2,2-dichlorovinyl) analogue.
mesh_terms: D011723:Chrysanthemum cinerariifolium; D007306:Insecticides; D014961:X-Ray Diffraction
chemical_list: D007306:Insecticides