英文别名Simvastatin Impurity 39; Simvastatin EP Impurity I; Simvastatin Impurity 2; Simvastatin Impurity 25; [(1S,3r,7s,8s,8ar)-8-[2-[(2r,4r)-4-hydroxy-6-oxo-tetrahydropyran-2-yl]ethyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl] 2-methylpropanoate; <1S-<1α,3α,7β,8β(2S*,4S*)8aβ>>-1,2,3,7,8,8a-hexahydro-3,7-dimethyl-8-<2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl)ethyl>-1-naphthalenyl 2-methylpropionate; [1S-(1α,3α,7β,8β(2S*,4S*)8aβ)]-1,2,3,7,8,8a-hexahydro-3,7-dimethyl-8-[2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl)ethyl]-1-naphthalenyl 2-methylpropionate; Isobutyric acid (1S,3R,7S,8S,8aR)-8-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydro-naphthalen-1-yl ester; (1S,3R,7S,8S,8aR)-8-(2-((2R,4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl)ethyl)-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl isobutyrate; (1S,3R,7S,8S,8aR)-8-[2-[(2R,4R)-4-Hydroxy-6-oxotetrahydro-2H-pyran-2-yl]ethyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl 2-methylpropanoate 
