Valomaciclovir stearate is a DNA polymerase inhibitor. Valomaciclovir stearate is an orally available drug with broad-spectrum antiviral activity against a variety of important herpesviruses, including Epstein-Barr virus, or EBV (the first virus to be directly associated with human cancer), varicella zoster virus, or herpes zoster (cause of shingles), and herpes simplex virus 1 and 2.

Isocoreopsin (Flavanocorepsin) is an anticancer agent that can be isolated from Butea monosperma flowers.

Pseudolaric acid B-glucopyranoside is a natural product from Pseudolarix amabilis.