4-(4-Chloro-1-Oxo Butyl) Alfa, Alfa-Dimethyl phenyl Acetic Acid Methyl Ester; Methyl 4-(4 chloro-1-oxobutyl)-alfa, alfa dimethylbenzene acetate; Methyl 2-[4-(4-chloro-butyryl) phenyl]-2-methyl-propionate; 2-[4-(4-Chloro-butyryl)-phenyl] 2-methyl-propionic acid methyl ester; 4-(4-Chloro-1-oxobutyl) alpha, alpha dimethylbenzeneacetic acid methyl ester; Methyl 2-(4-(4-chlorobutanoyl) phenyl)-2 methylpropanoate