1-[[(2R,3R)-(E)-5-(tert-butyldimethylsilyloxy)-1,2-dimethylpent-3-enyl]-(4-methylbenzenesulfonyl)amino]prop-2-yne

(4S,5S,6S)-3,4,5,6-tetrahydro-4-hydroxy-5,6-dimethyl-2H-pyran-2-one

(3R,4R,5S,6S)-3,4,5,6-tetrahydro-4-hydroxy-3,5,6-trimethyl-2H-pyran-2-one

(3R,4R,5R,6S)-3,4,5,6-tetrahydro-3,5,6-trimethyl-4-(triethylsilyloxy)-2H-pyran-2-ol

(3R,4R,5S,6S)-3,4,5,6-tetrahydro-3,5,6-trimethyl-4-(triethylsilyloxy)-2H-pyran-2-one