	Computational Annotation of MS Peaks (CAMP)
Home Processed databases Atom-Mass pairs Search: (Search for compound name or MassBank ID)	Queried mass: 52.0 Fragment: Formula: C2N2 Mass offset: 0.035 Num. used hydrogen atoms: 0 Num. of extra required hydrogen atoms: 0 Atom indices: C4,C5,N9,N10 Heavy atoms of the fragment are shown in cyan.