2-(Diethylamino)ethyl alpha-cyclopentyl-alpha-hydroxythiophen-2-acetate hydrochloride 2-Diethylaminoethyl cyclopentyl (2-thienyl)glycolate hydrochloride 2-Thiopheneglycolic acid, alpha-cyclopentyl-, 2-(diethylamino)ethyl ester, hydrochloride 3737-35-7 EINECS 223-112-3 Win 2299 alpha-Cyclopentyl-2-thiopheneglycolic acid 2-(diethylamino)ethyl ester hydrochloride