title: Mass spectrometric identification of methyl-isofenphos.
authors: Section of Economic Entomology, University of Illinois, Champaign 61820.
authors: L Y
authors: LY
authors: Wei
authors: A S
authors: AS
authors: Felsot
mesh_terms: D008401:Gas Chromatography-Mass Spectrometry; D007306:Insecticides / Q000032:analysis*; D013058:Mass Spectrometry; D009946:Organothiophosphorus Compounds / Q000032:analysis*; D010573:Pesticide Residues / Q000032:analysis
chemical_list: D007306:Insecticides; D009946:Organothiophosphorus Compounds; D010573:Pesticide Residues; C035019:isofenphos; C056490:methyl isofenphos