Zearalane

(11S)-15,17-dihydroxy-11-methyl-12-oxabicyclo[12.4.0]octadeca-15,17,19-trien-13-one

(S)-3,4,5,6,7,8,9,10,11,12-Decahydro-14,16-dihydroxy-3-methyl-1H-2-benzoxacyclotetradecin-1-one