1. [IF=1.569] Peng-Cheng Lin et al."Chemical characterization of a PD-1/PD-L1 inhibitory activity fraction of the ethanol extract from Gymnadenia conopsea."J Asian Nat Prod Res. 2021;23(3):235-249
Bis(4-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)benzyl) (R)-2-isobutyl-2-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)succinate - Reference Information
biological activity
dactylorin A is A succinic acid derivative Ester isolated from the rhizome of Gymnadenia conopsea. Dactylorhina had A moderate inhibitory effect on NO production by RAW 264.7 macrophages.