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. 2019 Sep 27;10:1164. doi: 10.3389/fpls.2019.01164

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Copyright © 2019 Liu, Zhang, Li and Wang

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Two novel NA glycosides detected by using LC-QQQ-MS with PreIS of m/z 124. (A) Liquid chromatograph of total five different NA glycosides, which detected in the root tissue of 15-day-old Arabidopsis seedlings. Peaks 1, 2, and 5 were elucidated as NaOG, NaR (nicotinate riboside), and NaNG by comparison with authentic compounds. (B and C). Mass spectra of Peak 3, which generated with QQQ-MS (B) and qTOF-MS (C). (D and E). Mass spectra of Peak 4, which generated with QQQ-MS (D) and qTOF-MS (E).