	Computational Annotation of MS Peaks (CAMP)
Home Processed databases Atom-Mass pairs Search: (Search for compound name or MassBank ID)	Queried mass: 56.0496 Fragment: Formula: C2O1N1 Mass offset: 0.006 Num. used hydrogen atoms: 2 Num. of extra required hydrogen atoms: 0 Atom indices: C2,C8,N11,O14 Heavy atoms of the fragment are shown in cyan.