Synonyms: 9-Undecenoicacid, 11-(3-pentyloxiranyl)-, [2a(Z),3a]-; 9-Undecenoic acid,11-[(2R,3S)-3-pentyloxiranyl]-, (9Z)-rel- (9CI); Oleic acid, 12,13-epoxy-, cis-(8CI); (?à)-cis-12,13-Epoxy-9(Z)-octadecenoicacid; cis-12,13-Epoxy-9(Z)-octadecenoic acid;cis-12,13-Epoxyoctadeca-cis-9-enoic acid