. 2020 Jan 21;7:935. doi: 10.3389/fchem.2019.00935
Copyright © 2020 Shehla, Li, Cao, Zhao, Jian, Daniyal, Wahab, Khan, Liao, Rahman, Choudhary and Wang.
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Figure 2.
Key HMBC and 1H-1H COSY correlations of 1–6.