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. 2019 Oct 15;10:1265. doi: 10.3389/fpls.2019.01265

Figure 4.

Figure 4

Extracted ion chromatogram for the acidic forms of phytocannabionids (CBGA, CBDA, THCA, CBDVA, and THCVA) identified according to analytical standards. The retrospective data analysis reveals the presence of CBCVA.