Atorvastatin Lactone

1-[2-[[(2R)-Tetrahydro-4ß-hydroxy-6-oxo-2H-pyran]-2a-yl]ethyl]-5-(4-fluorophenyl)-2-isopropyl-4,N-diphenyl-1H-pyrrole-3-carboxamide; Atorvastatin Related Compound H (20 mg) (5-(4-Fluorophenyl)-1-{2-[(2R, 4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl]ethyl}-2-isopropyl-N,4-diphenyl-1H-pyrrole-3-carboxamide); Atorvastatin EPIMp H (USP RCH); Atorvastatin EP IMpurity H; Diepoxide Atorvastatin Lactone Diepoxide; Atorvastatin Calcium Impurity D; Atorvastatin Impurity H; (RS) Atorvastatin Lactone