voxilaprevir hepatitis c drug molecule. 3d rendering. atoms are represented as spheres with conventional color coding

voxilaprevir hepatitis drug molecule 3d rendering atoms are represented as spheres conventional color coding virus hcv nonstructural ns protein protease inhibitor antiviral disease therapy medicine medicinal pharmacology pharmacy pharmaceutical pharma treatment chemical chemistry composition atomic model molecular illustration hydrogen white carbon grey nitrogen blue oxygen red sulfur yellow fluorine light green