Rusan Pharma Ltd. Supplies Anti-Ulcer Injection Containing Pirenzepine Dihydrochloride. Rusan Pharma Ltd. Offers a wide range of pharmaceutical formulations, APIs and intermediates in the area of critical pain management, substitution treatment, opioid de-addiction, anti- tuberculosis, psychiatric drugs and anti-infectives. The Anti-Ulcer Injection Containing Pirenzepine Dihydrochloride, available under the brand name "Gastropin" is used in the treatment of ulcer and comes in the size of 5 X 2 ml. The Anti-Ulcer Injection contains Pirenzepine Dihydrochloride in 10 mg/ 2 ml.