2-(2-(diethylamino)ethoxy)ethyl 1-phenylcyclopentanecarboxylate-D5 2-hydroxypropane-1,2,3-tricarboxylate; 1-phenyl-Cyclopentanecarboxylic Acid 2-[2-(Diethylamino)ethoxy]ethyl Ester Citrate-D5; 1-Phenylcyclopentane-1-carboxylic Acid Diethylaminoethoxyethyl Ester Citrate-D5; 2-(Diethylaminoethoxy)ethyl 1-Phenyl-1-cyclopentanecarboxylate Citrate-D5; Atussil Citrate-D5; Carbetapentane Citrate-D5; Pentoxiverine Citrate-D5;