	Computational Annotation of MS Peaks (CAMP)
Home Processed databases Atom-Mass pairs Search: (Search for compound name or MassBank ID)	Queried mass: 83.1 Fragment: Formula: C4O2 Mass offset: 0.035 Num. used hydrogen atoms: 3 Num. of extra required hydrogen atoms: 1 Atom indices: C8,C9,C11,C12,O15,O16 Heavy atoms of the fragment are shown in cyan.