"2,2-Dimethylbutanoic Acid [3R-[3a,5,5aa,6a(2R*,4R*),7a,9aS*]]-6-[2-[4-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]tetrahydro-6-oxo-2H"
"2,2-Dimethylbutanoic Acid [3R-[3a,5,5aa,6a(2R*,4R*),7a,9aS*]]-6-[2-[4-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]tetrahydro-6-oxo-2H"
"2,2-Dimethylbutanoic Acid [3R-[3a,5,5aa,6a(2R*,4R*),7a,9aS*]]-6-[2-[4-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]tetrahydro-6-oxo-2H"