ACADIA Pharmaceuticals (formerly Receptor Technologies) is a biopharmaceutical company developing medicines that address medical needs in related central nervous system (CNS) disorders.
Hutchison China MediTech is a biopharmaceutical company, engaging in the research, development, manufacture and sale of pharmaceuticals and healthcare products.
Amphastar Pharmaceuticals is a pharmaceutical company that develops, manufactures, and markets generic and proprietary injectable, intranasal, and inhalation products.
Arena Pharmaceuticals is a biopharmaceutical company focused on discovering, developing, and commercializing drugs that target G protein-coupled receptors (GPCRs).