Rosuvastatin EP Impurity B (Calcium Salt) ;

(3RS,5RS,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic acid calcium salt ;

C22H27FN3O6S . 1/2 Ca ;
Mol. Wt.: 500.57 ;