Resorcylic acid lactone
Resorcylic acid lactones are a group of estrogenic compounds. They are lactones of resorcylic acid. Examples include the mycoestrogens zearalenone, zearalanone, zeranol, taleranol, α-zearalenol, and β-zearalenol. Resorcylic acid lactones are fungal polyketides that consist of a β-resorcylic acid residue embedded in a macrolactone ring. RALs exhibit a broad range of biological activities, including anticancer activities.