	Computational Annotation of MS Peaks (CAMP)
Home Processed databases Atom-Mass pairs Search: (Search for compound name or MassBank ID)	Queried mass: 91.0 Fragment: Formula: C4O1N2 Mass offset: 0.048 Num. used hydrogen atoms: 1 Num. of extra required hydrogen atoms: 0 Atom indices: C1,C4,C5,C7,N9,N10,O13 Heavy atoms of the fragment are shown in cyan.