1-Oxa-3,8-diazaspiro(4.5)decan-2-one, 8-(m-(trifluoromethyl)phenethyl)-, hydrochloride 23804-75-3 8-(m-(Trifluoromethyl)phenethyl)-1-oxa-3,8-diazaspiro(4.5)decan-2-one hydrochloride