title: Formation of the [b+41]+. ion in the mass spectra of 2-thiouridines.
abstract: In the electron impact mass spectra of some 2-thiouridines a prominent base +41 (b+C2HO) peak was found. The sulphur atom at the 2 position facilitates its formation.
mesh_terms: D055598:Chemical Phenomena; D002627:Chemistry, Physical; D013058:Mass Spectrometry / Q000379:methods; D013891:Thiouridine / Q000031:analogs & derivatives* / Q000032:analysis
chemical_list: D013891:Thiouridine