(1R,3S)-1-((2S,4S)-4-isopropyl-5-oxotetrahydrofuran-2-yl)-3-(4-methoxy-3-(3-methoxypropoxy)benzyl)-4-methylpentyl methanesulfonate

4-Bromo-benzenesulfonic acid (1R,3S)-1-((2S,4S)-4-isopropyl-5-oxo-tetrahydro-furan-2-yl)-3-[4-methoxy-3-(3-methoxy-propoxy)-benzyl]-4-methyl-pentyl ester