	Computational Annotation of MS Peaks (CAMP)
Home Processed databases Atom-Mass pairs Search: (Search for compound name or MassBank ID)	Queried mass: 189.5 Fragment: Formula: C8O2N2P1 Mass offset: 0.413 Num. used hydrogen atoms: 2 Num. of extra required hydrogen atoms: 0 Atom indices: C3,C4,C6,C7,C8,C10,C11,C12,N13,N16,O18,O20,P21 Heavy atoms of the fragment are shown in cyan.