Naphthoquine phosphate is a potent and orally active antimalarial agent. Naphthoquine phosphate has thorough killing function for various schizonts of plasmodia , including resistance of P. falciparum to Chloroquine. In Vivo The monkeys (Treated with Plasmodium knowlesi ) are treated i.g. once daily for 3 days with 6 or 10 mg/kg of Naphthoquine phosphate respectively. At 24 h after Naphthoquine phosphate administration, the parasite reduction rate is higher than 90%. MCE has not independently confirmed the accuracy of these methods. They are for reference only. Form:Solid