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. Author manuscript; available in PMC: 2009 Apr 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2008 Jan 31;19(4):569–585. doi: 10.1016/j.jasms.2008.01.007

Figure 4.

Figure 4

MS/MS spectra of [M-H]−, m/z 353 for THETAs obtained from negative ion ESI SORI-CID and IRMPD FTICR. (A) MS/MS spectrum of 11,12,15-THETA by SORI-CID; (B) MS/MS spectrum of 11,12,15-THETA by IRMPD; (C) MS/MS spectrum of 11,14,15-THETA by SORI-CID; (D) MS/MS spectrum of 11,14,15-THETA by IRMPD; (E) MS/MS spectrum of 13,14,15-THETA by SORI-CID; (F) MS/MS spectrum of 13,14,15-THETA by IRMPD.