You searched for a fragment C23H25N2O7 in MassBank data.
- Page KOX00459p → C23H25N2O7: C23H23N2O6
- Page KOX00459p → C23H25N2O7: C22H23N2O5*** C20H18NO5** C19H15NO5** C16H18NO4
- Page KOX00459p → C23H25N2O7: C7H8NO3
- Page KOX00459p → C23H25N2O7: C5H4NO3* C7H9N2*** C5H8NO*** C5H10N*** C3H8N***