Rosuvastatin EP Impurity B

Chemical Name: (3RS,5RS,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]pyrimidin-5-yl]-3,5-dihydroxyhept-6-enoic Acid ; (3RS,5RS,6E)-7-[4-(4-fluorophenyl)-2-(N-methyl methane sulfonamido) -6-(propan-2-yl)pyrimidin-5-yl]-3,5-dihydroxyhept-6-enoic acid

Synonym: Rosuvastatin Diastereomers

Smile: O=C(O)CC(O)CC(O)/C=C/C1=C(C(C)C)N=C(N(C)S(=O)(C)=O)N=C1C2=CC=C(F)C=C2