3809839 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3809839 > 2 > ChemIDplus > 114264914 > 114264-91-4 136956-19-9 Aprotinin, arg(15)-glu(52)- Arg(15)-glu(52)-aprotinin Trypsin inhibitor (cattle pancreas basic reduced), 15-L-arginine-52-L-glutamic acid- Trypsin inhibitor (ox pancreas basic reduced), 15-L-arginine-52-L-glutamic acid- > 114264-91-4 136956-19-9 > 114264914 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=114264914 $$$$