2'-Hydroxy-3,4-dimethoxychalcone, a chalcone compound isolated from the roots of Sophora japonica, has antioxidant activity and inhibited the intracellular survival of Lactobacillus donovani Parasite EC.50 Values ranged between 0.39 and 0.41 μg/mL, which can be used in the study of diabetes, treatment of schistosomiasis, malaria and other infections.

CWHM-1552 is an effective Plasmodium falciparum inhibitor. For the 3D7 and Dd2 strains, the IC50s are 51 nM and 53 nM.

A synthetic derivative of ethyl-pyrimidine with potent antimalarial properties.