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. 2012 Apr 18;7(4):e35768. doi: 10.1371/journal.pone.0035768

Figure 1. Chemical structures of ginsenosides.

Figure 1

(A) 20(S)-Rh2, (B) 20(R)-Rh2, (C) 20(S)-Ppd and (D) 20(R)-Ppd.