	Computational Annotation of MS Peaks (CAMP)
Home Processed databases Atom-Mass pairs Search: (Search for compound name or MassBank ID)	Queried mass: 42.9 Fragment: Formula: C1O2 Mass offset: 0.102 Num. used hydrogen atoms: 1 Num. of extra required hydrogen atoms: 0 Atom indices: C3,O6,O7 Heavy atoms of the fragment are shown in cyan.