Haloperidol Impurity 5(Haloperidol EP Impurity E);Haloperidol EP Impurity E;Haloperidol EP Impurity E HCl;Haloperidol EP impuritiesE;4-(4-(4'-Chloro-[1,1'-biphenyl]-4-yl)-4-hydroxypiperidin-1-yl)-1-(4-fluorophenyl)butan-1-one (Haloperidol Impurity);1-Butanone, 4-[4-(4'-chloro[1,1'-biphenyl]-4-yl)-4-hydroxy-1-piperidinyl]-1-(4-fluorophenyl)-;4-(4-(4'-Chloro-[1,1'-biphenyl]-4-yl)-4-hydroxypiperidin-1-yl)-1-(4-fluorophenyl)butan-1-one (Haloperidol Impurity)