4-Morpholinebutyric acid, alpha-sec-butyl-alpha-1-naphthyl-, hydrochloride 6389-49-7 alpha-sec-Butyl-alpha-1-naphthyl-4-morpholinebutyric acid hydrochloride alpha-sec-Butyl-alpha-2-morpholinoethyl-1-naphthylacetic acid hydrochloride