New StandardsProthiofosC16-TEAQ iodideC18-TEAQ iodide2C16-TEAQ iodideFenpicoxamidCyloone4'-HydroxyclomazoneTriclopyr methyl ester2C18-TEAQ iodideChlorothalonil Metabolite R611968Pyflubumide-des(2-methyl-1-oxopropyl)Imazamox Metabolite M720H002