1-Aminochloranuidyl-2-diethoxyphosphorylethane;2-diethoxyphosphorylacetonitrile;2-(2-diethoxyphosphorylethylamino)-1-phenylethanone;2-[ethoxy(methyl)phosphoryl]ethanamine;2-[2-[ethoxy(methyl)phosphoryl]ethylamino]-1-phenylethanone;ethoxy-[2-(phenacylamino)ethyl]phosphinic acid;4-methylcyclohexane-1-carbonyl chloride;methyl 5-(3,3-dimethylbut-1-ynyl)-3-[2-[ethoxy(methyl)phosphoryl]ethylamino]thiophene-2-carboxylate;methyl 5-(3,3-dimethylbut-1-ynyl)-3-[2-[ethoxy(methyl)phosphoryl]ethyl-(4-methylcyclohexanecarbonyl)amino]thiophene-2-carboxylate;methyl 5-(3,3-dimethylbut-1-ynyl)-3-iodothiophene-2-carboxylate