Synonyms: IDN-5390;Benzoic acid (1S,2S,3R,9S)-3-[(2R,3S)-3-(acetoxy)-2-(2-hydroxyethyl)-3-oxetanyl]-9-[(2R,3S)-3-(tert-butoxycarbonylamino)-2-hydroxy-5-methylhexanoyloxy]-1,5-dihydroxy-4,8,11,11-tetramethyl-6-oxobicyclo[5.3.1]undeca-4,7-dien-2-yl ester