Figure 2:

1D and 2D NRM analysis of EPS-C15. (A) Region from 1D ¹H spectrum. (B) Region from 1D ¹³C spectrum. (C) Region from 2D ¹H TOCSY. (D) Region from 2D ¹³C-¹H HSQC spectrum. (E) Overlay of 2D ¹³C-¹H HSQC (black contours) and 2D ¹³C-¹H HMBC (red-blue contours).