	Computational Annotation of MS Peaks (CAMP)
Home Processed databases Atom-Mass pairs Search: (Search for compound name or MassBank ID)	Queried mass: 131.0 Fragment: Formula: C4O3N2 Mass offset: 0.110 Num. used hydrogen atoms: 7 Num. of extra required hydrogen atoms: 2 Atom indices: C3,C6,C8,C9,N12,N13,O15,O16,O17 Heavy atoms of the fragment are shown in cyan.