英文别名2,2-Dimethylbutanoic Acid (1S,3R,7S,8S,8aR)-8-[2-[(2R)-3,6-Dihydro-6-oxo-2H-pyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydro-3,7-dimethyl-1-naphthalenyl Ester; Simvastatin Impurity-C; Simvastatin EP Impurity C; Anhydro Simvastatin (Simvastatin Impurity C); SIMV-IM A; (1S,3R,7S,8S,8aR)-3,7-dimethyl-8-(2-((R)-6-oxo-3,6-dihydro-2H-pyran-2-yl)ethyl)-1,2,3,7,8,8a-hexahydronaphthalen-1-yl 2,2-dimethylbutanoate; anhydrosimvastatin; Dehydrosimvastatin; Butanoic acid, 2,2-dimethyl-, (1S,3R,7S,8S,8aR)-8-[2-[(2R)-3,6-dihydro-6-oxo-2H-pyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydro-3,7-dimethyl-1-naphthalenyl ester; Anhydro-simvastatin; Simvastatin Impurity 3 
