Atorvastatin N-(3,5-Dihydroxy-7-heptanoic Acid)amide;calcium,(3R,5R)-7-[[(3R,5R)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-propan-2-ylpyrrol-1-yl]-3,5-dihydroxyheptanoyl]amino]-3,5-dihydroxyheptanoate;Atorvastatin EP Imp F;(3R,5R)-7-[[(3R,5R)-7-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]-3,5-dihydroxy-1-oxoheptyl]amino]-3,5-dihydroxy-heptanoic Acid Calcium Salt