(2R,4R,6S)-4-Azido-6-methoxy-2-methyl-dihydro-pyran-3-one

N-[(2R,3S,4R,6S)-3-(Bis-methylsulfanyl-methyl)-6-methoxy-2-methyl-tetrahydro-pyran-4-yl]-2,2,2-trifluoro-acetamide

(2R,3S,4R,6S)-6-Methoxy-2-methyl-4-(2,2,2-trifluoro-acetylamino)-tetrahydro-pyran-3-carboxylic acid methyl ester