1-(4-((3,4-Dihydro-2H-1-benzothiopyran-8-yl)oxy)butyl)-1-azaspiro(5.5)undecane 1-Azaspiro(5.5)undecane, 1-(4-((3,4-dihydro-2H-1-benzothiopyran-8-yl)oxy)butyl)- 8-((4-(1-Azaspiro(5.5)undecan-1-yl)butyl)oxy)thiochroman CM0228750