(3S,4aR,8aS)-2-(((2R,3S)-3-((tert-butyldimethylsilyl)oxy)tetrahydro-2H-pyran-2-yl)ethynyl)-3-(methoxymethoxy)octahydropyrano[3,2-b]pyran-2-ol

(4aS,6S,9aR)-6-(3-Benzyloxy-propyl)-3,4,4a,9a-tetrahydro-2H-1,5-dioxa-benzocyclohepten-7-one

(2R,3S,2'S)-3-(tert-butyldimethylsiloxy)-2-(2'-methoxy-methoxy-but-3'-enyl)-tetrahydropyran

acetic acid 2-[2-(3-hydroxy-2-methoxytetrahydropyran-2-yl)vinyl]tetrahydropyran-3-yl ester

acetic acid 2-[2-(2-methoxy-3-oxotetrahydropyran-2-yl)vinyl]tetrahydropyran-3-yl ester