... -6-oxo-2h-pyran-2-yl)ethyl)-1-naphthalenyleste;7-beta,8-beta(2s*,4s*),8a-beta))-alph;butanoicacid, ... 2,2-dimethyl-,1,2,3,7,8,8a-hexahydro-3,7-dimethyl-8-(2-(tetrahy;l644128-000u;mk- ... -OXO-TETRAHYDRO-PYRAN-2-YL)-ETHYL]-3,7-DIMETHYL-1,2,3,7,8,8A-HEXAHYDRO-NAPHTHALEN-1-YL ESTER ... %Simvastatin hydroxyacid< 0.4%Lovastatin and epilovastatin< 1.0% High Quality Simvastatin (CAS No.:79902-63-9)