Fig. 3

A Calculated ECD data for compound 1 (SHA- 1). B Key 1H-1H COSY (bold lines) and HMBC (red arrows) correlations. C Key NOESY correlations (indicated by blue arrows)
A Calculated ECD data for compound 1 (SHA- 1). B Key 1H-1H COSY (bold lines) and HMBC (red arrows) correlations. C Key NOESY correlations (indicated by blue arrows)