Drugs for medical purposes, namely, pharmaceutical preparations for the prevention and treatment of infectious diseases, pain, cancer and tumors; Drugs for medical purposes for the treatment of pain, namely, smooth muscle pain, striated muscle pain, cardiac muscle pain, neuropathic pain, inflammatory pain, visceral pain, chronic pain, acute pain, traumatic injury pain, referred pain, growing pain, hunger pain, intractable pain, labour pain, organic pain, phantom limb pain, postprandial pain, ...