valaciclovir molecule, antiviral medication molecular structure, 3d model van der waals

valaciclovir valacyclovir antiviral medication molecule molecular structure chemical formula isolated model c13h20n6o4 atom virus herpes microbe ester varicella viral microorganism shingle simplex carbon oxygen hydrogen nitrogen atomic aciclovir cmv cytomegalovirus epsteinbarr esterase prodrug valine vzv zoster chemistry composition pharmaceutical skeletal disease generic medicine pharmacy therapy treatment drug pharmacology van der waals waals