"[1S-[1?,3?,4?,6?,7?,8?(2S*,4S*),8a?]]-Butanoic Acid 2,2-(Dimethyl-d6)-1,2,3,4,6,7,8,8a-octahydro-4,6-dihydroxy-3,7-dimethyl-8-[2- (tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl)ethyl]-1-naphthalenyl Ester;","[1S-[1?,3?,4?,6?,7?,8?(2S*,4S*),8a?]]-Butanoic Acid 2,2-(Dimethyl-d6)-1,2,3,4,6,7,8,8a-octahydro-4,6-dihydroxy-3,7-dimethyl-8-[2- (tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl)ethyl]-1-naphthalenyl Ester;",Simvastatin Impurity