Synonyms: 2-Pentenamide,4-(acetyloxy)-N-[(2R,3R,5S,6S)-6-[(2E,4E)-5-[(3R,4R,5R,7S)-4,7-dihydroxy-7-methyl-1,6-dioxaspiro[2.5]oct-5-yl]-3-methyl-2,4-pentadienyl]tetrahydro-2,5-dimethyl-2H-pyran-3-yl]-,(2Z,4S)- (9CI); 2-Pentenamide,4-(acetyloxy)-N-[6-[5-(4,7-dihydroxy-7-methyl-1,6-dioxaspiro[2.5]oct-5-yl)-3-methyl-2,4-pentadienyl]tetrahydro-2,5-dimethyl-2H-pyran-3-yl]-,[3R-[3R*,4R*,5R*[1[2R*,3R*(2Z,4S*),5S*,6S*],2E,4E],7S*]]-; FR 901464; WB 2663B