Atorvastatin Related Compound I – tert-Butyl 2-((4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-phenylcarbamoyl)-1H-pyrrol-1-yl)]ethyl}-2,2-dimetyl-1,3-dioxan-4-yl)acetate