1-Oxa-3,8-diazaspiro(4.5)decan-2-one, 3-cyclohexyl-8-(2-(4-fluorophenyl)ethyl)-4-methylene- 134069-65-1 3-Cyclohexyl-8-(2-(4-fluorophenyl)ethyl)-4-methylene-1-oxa-3,8-diazaspiro(4.5)decan-2-one