	Computational Annotation of MS Peaks (CAMP)
Home Processed databases Atom-Mass pairs Search: (Search for compound name or MassBank ID)	Queried mass: 90.3 Fragment: Formula: C4O1N2 Mass offset: 0.260 Num. used hydrogen atoms: 2 Num. of extra required hydrogen atoms: 1 Atom indices: C9,C10,C11,C12,N13,N14,O16 Heavy atoms of the fragment are shown in cyan.