Synonyms: Tedanolide;(+)-Tedanolide; Oxacyclooctadec-9-ene-2,6,12,16-tetrone,3,8,14-trihydroxy-17-[hydroxy[2-methyl-3-(1-methyl-2-butenyl)oxiranyl]methyl]-4-methoxy-5,7,9,11,15-pentamethyl-,[3R-[3R*,4S*,5S*,7R*,8R*,9E,11S*,14S*,15R*,17R*[S*[2R*,3R*(1S*,2Z)]]]]-;[3R-[3R*,4S*,5S*,7R*,8R*,9E,11S*,14S*,15R*,17R*[S*[2R*,3R*(1S*,2Z)]]]]-3,8,14-Trihydroxy-17-[hydroxy[2-methyl-3-(1-methyl-2-butenyl)oxiranyl]methyl]-4-methoxy-5,7,9,11,15-pentamethyloxacyclooctadec-9-ene-2,6,12,16-tetrone