Withanolides

**Definition:** Ergostane derivatives of 28 carbons with oxygens at C1, C22, and C26 positions and the side chain cyclized. They are found in WITHANIA plant genus and have cytotoxic and other effects.

**Tree numbers:** - D04.210.500.247.222.537.888 - D04.210.500.247.808.756.904 - D10.570.938.795.904 - D23.704.500.904