	Computational Annotation of MS Peaks (CAMP)
Home Processed databases Atom-Mass pairs Search: (Search for compound name or MassBank ID)	Queried mass: 80.0 Fragment: Formula: C4O2 Mass offset: 0.042 Num. used hydrogen atoms: 0 Num. of extra required hydrogen atoms: 0 Atom indices: C2,C5,C8,C9,O10,O11 Heavy atoms of the fragment are shown in cyan.