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.
一种通过使用包含双-(2-羟基-3-
硝基苯基)
甲烷衍
生物的有效量组合物处理动物来杀死温血动物内部寄生虫的方法;以及新的双-(2-羟基-3-
硝基苯基)
甲烷衍
生物。