8-((4-(N-Ethyl-N-cyclopentylamino)butyl)oxy)thiochroman Cyclopentanamine, N-(4-((3,4-dihydro-2H-1-benzothiopyran-8-yl)oxy)butyl)-N-ethyl- GY1963500 N-(4-((3,4-Dihydro-2H-1-benzothiopyran-8-yl)oxy)butyl)-N-ethylcyclopentanamine