Atovaquone

Yellow crystal powder   

Residue on ignition   ≤0.1%   

ROS   ≤0.2%   

Heavy metals   ≤10ppm   

Water ≤1.0%   

Assay HPLC: 97.5%～101.5%   

Antimalarial drugs

Treatment of Pneumocystis Carinii Pneumonia