RVR57: Rivaroxaban Descarbonyl Impurity

5-Chloro-N-[(2R)-2-hydroxy-3-{[4-(3-oxomorpholin-4-yl)phenyl]amino} propyl]thiophene-2-carboxamide ; 

CAS # 721401-53-2 ;

C18H20ClN3O4S ;

Mol. Wt.: 409.89 ;