3808610 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3808610 > 2 > ChemIDplus > 105634057 > 105634-05-7 Antibiotic RK 419 Cystargin RK 419 > 105634-05-7 > 105634057 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=105634057 $$$$