suramin sleeping sickness drug molecule. atoms are represented as spheres with conventional color coding: hydrogen white, carbon

suramin sleeping sickness drug molecule atoms are represented as spheres conventional color coding hydrogen white carbon sodium antimicrobial protozoa trypanosome helminth helminthiasis onchocerciasis trypanosoma nitrogen oxygen sulfur disease therapy medicine medicinal product pharmacology pharmacy pharmaceutical pharma treatment generic chemical chemistry composition atomic model molecular grey red blue yellow xxx