... , Oleanolic acid, Oridonin, oxymatrine, Osthol, Puerarin, Punicalagins,Protodioscin, paeonol, Polydatin, Polymethoxylated flavones, PMFs, podophyllotoxin,phloridzin, phloretin, phytosterol,paeoniflorin, quercetin,Rhein, Resveratrol,Ropinirole ...