Synonyms:
simvastatin impurity b (acetyl simvastatin) ; simvastatin ep impurity b ; 4'-acetyl simvastatin ; 2,2-dimethylbutanoic acid (1s,3r,7s,8s,8ar)-8-[2-[(2r,4r)-4-(acetyloxy)tetrahydro
-6-oxo-2h-pyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydro-3,7-dimethyl-1-naphthalenyl ester ; simvastatin acetate ; simvastatin impurity-b ; acetylsimvastatin