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. 2016 Feb 9;16(1):109–127. doi: 10.1007/s40268-016-0122-3

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© The Author(s) 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 7 — The disulfide and tetrasulfide derivatives of DMTS represent minor components of the formulation following 6 weeks of incubation. Shown is the ¹H NMR spectra of the DMTS region of a B formulation following 6 weeks of storage at room temperature. Based on comparison with the DMTS peak, the overall concentrations of the tetrasulfide and disulfide are ~0.1 to 0.2 % of the DMTS concentration. DMTS dimethyl trisulfide, NMR nuclear magnetic resonance