80449-32-7 Acid-stable protease inhibitor MR 20 MR-20 (Magnetic powder) Miraclid Trypsin inhibitor (human urine urinastatin protein moiety) Trypsin inhibitor MR-20 Ulinastatin Urinary trypsin inhibitor Urinary trypsin inhibitor (68) Urinary trypsin inhibitor-like inhibitor (43) Urinastatin Uti(68)