	Computational Annotation of MS Peaks (CAMP)
Home Processed databases Atom-Mass pairs Search: (Search for compound name or MassBank ID)	Queried mass: 139.0543 Fragment: Formula: C7O3 Mass offset: 0.074 Num. used hydrogen atoms: 7 Num. of extra required hydrogen atoms: 2 Atom indices: C5,C6,C7,C10,C12,C13,C14,O17,O18,O20 Heavy atoms of the fragment are shown in cyan.