(3R,4S,5R,6S)-1-氮杂-4-羟基-5-甲酰基-6-异丙基-3-甲基-7-氧杂双环[3.3.0]辛烷-2-酮

(3R,4S,5R,6S)-1-氮杂-4-羟基-5-羟基甲基-6-异丙基-3-甲基-7-氧杂双环[3.3.0]辛烷-2-酮

(2R,3S)-(-)-2-azido-4-methyl-1-pentane-1,3-diol

(2R,4S,5R)-(-)-5-azido-4-isopropyl-2-phenyl[1,3]dioxane

L-threo-Pentitol, 3,4-anhydro-1,2-dideoxy-2-methyl-