Research Article

Immunomodulatory Effects of Diterpene Quinone Derivatives from the Roots of Horminum pyrenaicum in Human PBMC

Figure 4

Identified constituents of the roots of Horminum pyrenaicum. Black, blue and violet colors represent abietane-diterpene quinones, nor-abietane diterpene quinones, and abeo 18 (4 → 3) abietane diterpene quinones, respectively.