Xanthylium, 9-[5-[[[8-[[(1S,2R)-3-[[(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,6,11-trihydroxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl]oxy]-2-hydroxy-3-oxo-1-phenylpropyl]amino]-8-oxooctyl]amino]carbonyl]-2-carboxyphenyl]-3,6-bis(3,3-difluoro-1-azetidinyl)-2,7-difluoro-, 2,2,2-trifluoroacetate (1:1)