proguanil prophylactic malaria drug molecule.

proguanil prophylactic malaria drug molecule proguanile antimalaria antimalarial cycloguanil sporozoite sickle cell disease plasmodium falciparum vivax red blood dihydrofolate reductase hydrogen carbon nitrogen chlorine therapy medicine medicinal product pharmacology pharmacy pharmaceutical pharma treatment generic atoms chemical chemistry composition atomic model molecular are represented as spheres conventional color coding white grey green blue