Synonyms: 6-Heptenoic acid, 7-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy-, 3-methylbutyl ester, (3R,5S,6E)-, 3-Methylbutyl (3R,5S,6E)-7-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoate, Rosuvastatin isoamyl ester, (3S,5R,6E)-7-[4-(4-flurophenyl)-6-(1-methylethyl)-2-[N-methyl(methylsulphonyl)amino]-5-pyrimidinyI]-3,5-dihydroxy-6-heptanoic acid methyl butyl ester, Rosuvastatin 3-methylbutyl ester, 3-Methylbutyl rosuvastatin