(rel)-Myrislignan is a relative configuration of Myrislignan. Myrislignan is a lignan isolated from Myristica fragrans Houtt.

Sennoside D is an anthraquinone glycoside extracted from leaves and pods of Cassia angustifolia.

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.