A method for killing internal parasites of warm blooded animals by treating the animals with an effective amount of a composition comprising a bis-(2-hydroxy-3-nitrophenyl)methane derivative; and novel bis(2-hydroxy-3-nitrophenyl)methane derivatives.
一种通过给动物施用包含双-(2-羟基-3-
硝基苯基)
甲烷衍
生物的有效量的组合物来杀灭温血动物体内寄生虫的方法;以及新颖的双(2-羟基-3-
硝基苯基)
甲烷衍
生物。