Here is another one of those cartoons that requires some explanation. The two molecules in this cartoon are Sildenafil (right - more commonly known as Viagra) and Cyproterone (left - also known as Cyprostat). Unlike Sildenafil, you will never find advertising campaigns on TV, or spam in your inbox selling Cyproteron. Aside from a few clinical uses, this molecule is possibly best known for its ability to suppress sex drive. In some parts of the world it is even used in the "