	Computational Annotation of MS Peaks (CAMP)
Home Processed databases Atom-Mass pairs Search: (Search for compound name or MassBank ID)	Queried mass: 109.0 Fragment: Formula: C4N4 Mass offset: 0.109 Num. used hydrogen atoms: 5 Num. of extra required hydrogen atoms: 2 Atom indices: C1,C2,C3,C4,N6,N7,N8,N9 Heavy atoms of the fragment are shown in cyan.