Domperidone EP Impurity B

4-(5-Chloro-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)-1-formylpiperidine|4-(5-Chloro-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)-1-formylpiperidine ;|4-(5-chloro-2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidine-1-carbaldehyde|4-(6-Chloro-1,2-dihydro-2-oxobenzo[d]imidazol-3-yl)piperidine-1-carbaldehyde;|4-enzodiazol-1- yl)piperidine-1-carbaldehyde|4-enzodiazol-1- yl)piperidine-1-carbaldehyde;|5-Chloro-1-(4-formylpiperidinyl)-1,3-dihydro-2H-benzimidazol-2-one;|5-Chloro-1-(4-formylpiperidinyl)-1H-benzimidazol-2(3H)-one|5-Chloro-1-(4-formylpiperidinyl)-1H-benzimidazol-2(3H)-one;