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. 2018 Apr 6;16(4):122. doi: 10.3390/md16040122

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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LC-MS/MS chromatograms obtained for (A) a mix of P-CTX standards (provided by Institut Louis Malardé) and solid phase extraction–purified extracts of Tripneustes gratilla collected from Anaho Bay in (B) July 2015 and (C) November 2016. Chromatograms were acquired following the procedure described in Section 4.5, in positive multireaction monitoring mode.

LC-MS/MS chromatograms obtained for (A) a mix of P-CTX standards (provided by Institut Louis Malardé) and solid phase extraction–purified extracts of Tripneustes gratilla collected from Anaho Bay in (B) July 2015 and (C) November 2016. Chromatograms were acquired following the procedure described in Section 4.5, in positive multireaction monitoring mode.