(3R,4S)-(+)-N-(3-hydroxy-2,2-dimethyl-6-(4,4,4-trifluorobutoxy)chroman-4-yl)-N-methylmethanesulfonamide
(3r,4s)-(+)-n-(3-hydroxy-2,2-dimethyl-6-(4,4,4-trifluorobutoxy)chroman-4-yl)-n-methylmethanesulfonamide