(-)-5-羟基-3-[[2-羟基-1-(羟基甲基)乙基]氨基]-5-(羟基甲基)-2-甲氧基-2-环己烯-1-酮

(1S,2R,4S,5R)-2-Bromo-4-(tert-butyl-dimethyl-silanyloxy)-1-hydroxy-6-oxa-bicyclo[3.2.1]octane-3,7-dione

(1R,4R,5R)-4-Benzyloxy-1-(tert-butyl-dimethyl-silanyloxy)-6-oxa-bicyclo[3.2.1]oct-2-en-7-one

(1S,3S,4S,5R)-4-benzoyloxy-3-bromo-6-oxabicyclo[3.2.1]octan-7-one

(S)-9-(2-Hydroxy-1-hydroxymethyl-ethylamino)-8-methoxy-2,2-dimethyl-1,3-dioxa-spiro[4.5]dec-8-en-7-one