3743773 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3743773 > 2 > ChemIDplus > 053095297 > 53095-29-7 Antibiotic XK 41 XK 41 XK-41 > 53095-29-7 > 053095297 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=053095297 $$$$