	Computational Annotation of MS Peaks (CAMP)
Home Processed databases Atom-Mass pairs Search: (Search for compound name or MassBank ID)	Queried mass: 84.9 Fragment: Formula: C4O2 Mass offset: 0.181 Num. used hydrogen atoms: 5 Num. of extra required hydrogen atoms: 0 Atom indices: C5,C6,C7,C9,O11,O12 Heavy atoms of the fragment are shown in cyan.