The present disclosure relates to the use of hydroxyisoxa lines and derivatives thereof as fungicide. It also relates to new hydroxyisoxa lines derivatives, their use as fungicide and compositions comprising thereof.本發明係關於羥基異㗁唑啉及其衍生物作為殺真菌劑之用途。本發明亦關於新穎羥基異㗁唑啉衍生物、其作為殺真菌劑之用途,以及包含其之組合物。