. 2021 Jun 2;12:680879. doi: 10.3389/fmicb.2021.680879
Copyright © 2021 Liu, Yang, Kong, Zhao, Yao, Yuchi, Ma, Xie, Zhou, Guo, Dai, Zhao and Luo.
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FIGURE 2.
The key HMBC (arrows) and COSY (bold) correlations for compounds 1–3.