the raman spectra of malathion , ethion , methyl parathion , parathion , epn , 0,0-diethyl-0- ( 2,4-dichlorophenyl ) phosphorothioate , dichlorvos , mevinphos , tributyl phosphorotrithioite , and 2,4-dichlorobenzyltributylphosphonium chloride have been recorded .
C0025709
methyl parathion
C0030514
parathion