	Computational Annotation of MS Peaks (CAMP)
Home Processed databases Atom-Mass pairs Search: (Search for compound name or MassBank ID)	Queried mass: 121.9 Fragment: Formula: C5O3N1 Mass offset: 0.158 Num. used hydrogen atoms: 0 Num. of extra required hydrogen atoms: 0 Atom indices: C4,C6,C7,C8,C9,N10,O11,O12,O13 Heavy atoms of the fragment are shown in cyan.