K-Dur
K-Dur treats low potassium. We think.

Since 2003, the Federal Trade Commission has fought a losing battle to halt bargains in which a brand-name drug-maker pays a generic competitor to put off entering the market. Pacts like that, the agency urged, result in "reverse payments", which compensate a patent infringer not to do stuff that might infringe the patent. Such arrangements violate antitrust law