2-(Diethylamino)ethyl 2,2-diphenylpentanoate 2-(Diethylamino)ethyl 2,2-diphenylvalerate hydrochloride 2-Diethylaminoethyl .alpha.,.alpha.-diphenyl valerate hydrochloride 62-68-0 (HCL) AIDS-159898 AIDS159898 Benzeneacetic acid, .alpha.-phenyl-.alpha.-propyl-, 2-(diethylamino)ethyl ester NSC170997 (HCL) NSC39690 (HCL) Proadifen Propyladiphenin RP 5171 SK&F 525-A SKF 525A