	Computational Annotation of MS Peaks (CAMP)
Home Processed databases Atom-Mass pairs Search: (Search for compound name or MassBank ID)	Queried mass: 63.0229 Fragment: Formula: C4O1 Mass offset: 0.011 Num. used hydrogen atoms: 1 Num. of extra required hydrogen atoms: 1 Atom indices: C9,C10,C11,C12,O14 Heavy atoms of the fragment are shown in cyan.