You searched for a fragment C11H15N2 in MassBank data.
- Page KOX00738p → C11H15N2: C9H8N C9H6N C8H7** C7H7** C6H5 C4H3***
- Page KOX00797p → C11H15N2: C10H10N C10H9N** C9H10N C9H6N** C10H7** C8H7N C9H7** C8H7** C7H7** C7H6** C7H5**
- Page KOX00797p → C11H15N2: C6H5 C5H5