(2-Chlorophenyl)(1-hydroxycyclopentyl)methanone; Ketamine Hydrochloride EP Impurity C;Methanone,(2-chlorophenyl)(1-hydroxycyclopentyl);1-(2-Chlorobenzoyl)cyclopentan-1-ol;1-Hydroxycyclopentyl 2-chlorophenyl ketone;o-Chlorophenyl 1-hydroxycyclopentyl ketone ;