You searched for a fragment C8H13N4O in MassBank data.
- Page KNA00513n → C8H13N4O: C8H11N4 C5H8N3
- Page KOX00136p → C8H13N4O: C8H10N3O C7H10N3O C6H8N3O** C6H8N3** C5H8N3 C5H7N2 C5H5N2 C4H7N2 C4H6N2 C4H5N2 C4H6N** C3H6N***
- Page PR100391p → C8H13N4O: C8H10N3O C6H8N3*** C5H8N3 C5H7N2 C5H5N2 C4H7N2