Synonyms: | 4-O-tert-ButyldiMethylsilyl Epi Lovastatin;[1S-[1.alpha.(S*),3.alpha.,7.beta.,8.beta.(2S*,4S*),8a.beta.]]-2-Methyl-butanoic Acid 8-[2-[4-[[(1,1-DiMethylethyl)diMethylsilyl]oxy]tetrahydro-6-oxo-2H-pyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydro-3,7-diMethyl-1-nap |