	Computational Annotation of MS Peaks (CAMP)
Home Processed databases Atom-Mass pairs Search: (Search for compound name or MassBank ID)	Queried mass: 101.0 Fragment: Formula: C4O3 Mass offset: 0.080 Num. used hydrogen atoms: 5 Num. of extra required hydrogen atoms: 1 Atom indices: C5,C6,C7,C8,O9,O10,O11 Heavy atoms of the fragment are shown in cyan.