	Computational Annotation of MS Peaks (CAMP)
Home Processed databases Atom-Mass pairs Search: (Search for compound name or MassBank ID)	Queried mass: 42.034 Fragment: Formula: C2O1 Mass offset: 0.003 Num. used hydrogen atoms: 2 Num. of extra required hydrogen atoms: 0 Atom indices: C5,C8,O13 Heavy atoms of the fragment are shown in cyan.