Taccalonolide AJ is a microtubule stabilizer; it has excellent and highly persistent antitumor efficacy when administered directly to the tumor, suggesting that the lack of antitumor efficacy seen with systemic administration of AJ is likely due to its short half-life in vivo.

Hydroxy-Epsilon-Sanshool is an alkylamide isolated from Zanthoxylum bungeanum. Hydroxy-Epsilon-Sanshool produces key tingling and numbing chemosensates, and its content is important in determinant the pungency intensity of Zanthoxylum bungeanum.

6-Feruloylcatalpol is a natural product of Picrorhiza, Plantaginaceae. 6-Feruloylcatalpol can be used as a reference standard.