Rosuvastatin Impurity ARosuvastatin IMP (3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (2-hydroxy-2-methylpropylsulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic Acid Calcium Salt

Rosuvastatin Impurity B (Anti isomer)Rosuvastatin IMP (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

Methylene Ropinirole ImpurityRopinirole IMP 4-(2-(dipropylamino)ethyl)-3-methyleneindolin-2-one

Ropinirole N-Oxide ImpurityRopinirole IMP N-(2-(2-oxoindolin-4-yl)ethyl)-N-propylpropan-1-amine oxide

Ropinirole Propylidene Impurity (USP)Ropinirole IMP 4-(2-(dipropylamino)ethyl)-3-propylideneindolin-2-one

4-(2-hydroxyethyl)indolin-2-oneRopinirole IMP 4-(2-Hydroxyethyl)-1,3-dihydro-2H-indolin-2-one

3-Oxo Ropinirole HydrochlorideRopinirole IMP 4-(2-(dipropylamino)ethyl)indoline-2,3-dione hydrochloride

N-Hydroxy Ropinirole HydrochlorideRopinirole IMP 4-(2-(dipropylamino)ethyl)-1-hydroxyindolin-2-one

Rivaroxaban Impurity 16Rivaroxaban IMP 5-Chloro-N-methylthiophene-2-carboxamide

Rivastigmine Phenol Impurity Rivastigmine IMP 3-[(1S)-1-(Dimethylamino)ethyl]phenol