Fig. 2 in Guaiane-type sesquiterpenoids from the roots of Stellera chamaejasme L. and their neuroprotective activities

Fig. 2. Key HMBC correlations (blue) of compounds 1–9 (Magenta line represents part A, red line represents part B, and green line represents part C). (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)