	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: C5O3N1P1S1 Mass offset: 0.371 Num. used hydrogen atoms: 4 Num. of extra required hydrogen atoms: 0 Atom indices: C3,C4,C7,C8,C11,N16,O17,O19,O20,P21,S22 Heavy atoms of the fragment are shown in cyan.