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. Author manuscript; available in PMC: 2018 Sep 1.
Published in final edited form as: Phytochem Lett. 2016 Nov 17;21:313–319. doi: 10.1016/j.phytol.2016.11.006

Figure 1.

Figure 1

The CASMI (Critical Assessment of Small Molecule Identification) 2016 contest in category one (natural products) provided the accurate MS and MS/MS spectra of eighteen compounds. Based on the mass spectral information and other metadata correct structural information needed to be assigned.