There are provided substituted p-phenylene bis[imino(thiocarbonyl)] diphosphoramidic acid esters, a method for the preparation of said esters and unsubstituted derivatives thereof and a method for controlling helminths in warm-blooded animals by administering to said animals an anthelmintically effective amount of said unsubstituted or substituted p-phenylene bis[imino(thiocarbonyl)] diphosphoramidic acid ester.
提供了取代的p-苯二
亚胺(
硫代羰)
二膦酰胺酸酯,以及制备该酯和未取代衍
生物的方法,以及通过向温血动物投与未取代或取代的p-苯二
亚胺(
硫代羰)
二膦酰胺酸酯的抗蠕虫有效量来控制温血动物体内蠕虫的方法。