PITAVASTATIN IMPURITY 50 CALCIUM SALT Formula: C25H24NO5. 1/2Ca P-6476 418.47 1/2*40.08 Pitavastatin Pomalidomide Impurity 39 (Mixture of Diastereomers) Formula: C26H18N6O9 P-178064 558.46 POMALIDOMIDE Potassium Clavulanate EP Impurity E Dipotassium Salt Formula: C16H16N2O10. 2 K C-325 Clavulanic acid | ||||||||||||||