Droperidol EP Impurity E;Droperidol Impurity E HCl;Droperidol EP Impurity E HCl;Droperidol Impurity 5(Droperidol EP Impurity E);4-Desfluoro-4-[4-(2-Oxo-2,3-dihydro-1H-benziMidazol-1-yl)-3,6-dihydropyridin-1(2H)-yl] Droperidol;1-[1-[4-[4-[4-(2-Oxo-2,3-dihydro-1H-benziMidazol-1-yl)-3,6-dihydropyridin-1(2H)-yl]-1-oxobutyl]phenyl]-1,2,3,6-tetrahydro-4-pyridinyl]-1,3-dihydro-2H-benziMi;2H-Benzimidazol-2-one, 1-[1-[4-[4-[4-(2,3-dihydro-2-oxo-1H-benzimidazol-1-yl)-3,6-dihydro-1(2H)-pyridinyl]-1-oxobutyl]phenyl]-1,2,3,6-tetrahydro-4-pyridinyl]-1,3-dihydro-;1-(1-(4-(4-(4-(2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)-3,6-dihydropyridin-1(2H)-yl)butanoyl)phenyl)-1,2,3,6-tetrahydropyridin-4-yl)-1,3-dihydro-2H-benzo[d]imidazol-2-one;1-(1-(4-(4-(4-(2-Oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)-5,6-dihydropyridin-1(2H)-yl)butanoyl)phenyl)-1,2,3,6-tetrahydropyridin-4-yl)-1H-benzo[d]imidazol-2(3H)-one (Droperidol Impurity)