	Computational Annotation of MS Peaks (CAMP)
Home Processed databases Atom-Mass pairs Search: (Search for compound name or MassBank ID)	Queried mass: 181.0495 Fragment: Formula: C9O4 Mass offset: 0.116 Num. used hydrogen atoms: 9 Num. of extra required hydrogen atoms: 0 Atom indices: C1,C2,C3,C4,C8,C9,C10,C11,C12,O13,O14,O15,O16 Heavy atoms of the fragment are shown in cyan.