英文别名N-[(2R,3S)-2-(2,5-Difluorophenyl)tetrahydro-5-oxo-2H-pyran-3-yl]carbamic acid 1,1-dimethylethyl ester; MK-3102 intermediate I; Omarigliptin intermediate I; 2-Methyl-2-propanyl [(2R,3S)-2-(2,5-difluorophenyl)-5-oxotetrahydro-2H-pyran-3-yl]carbamate; Carbamic acid, N-[(2R,3S)-2-(2,5-difluorophenyl)tetrahydro-5-oxo-2H-pyran-3-yl]-, 1,1-dimethylethyl ester 
