Atorvastatin Pyrrolidone Methyl Ester 

Chemical Name: (3R,5R)-7-[5-(4-Fluorophenyl)-2,3-dihydro-3-(1-methylethyl)-2-oxo-4-phenyl-3-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]-3,5-dihydroxy-heptanoic acid methyl ester

Synonym: OPC 14714; 7-[4-[4-(2-Bromophenyl)-1-piperazinyl]butoxy]-3,4-dihydro-2(1H)-quinolinone;