acetonide of (1S,6S,7S,8R,8aS)-6-(methoxymethoxy)-1-((R)-1-(2,4,6-triisopropylphenyl)ethoxy)octahydroindolizine-7,8-diol

(1S,6S,7R,8R,8aR)-1-((tert-butyldimethylsilyl)oxy)-7,8-bis((trimethylsilyl)oxy)octahydroindolizin-6-ol

(1S,6S,7S,8R,8aR)-1-Hydroxy-6,7-(isopropylidenedioxy)-8-(methoxymethoxy)indolizidine

1,6,7,8-tetra-O-acetylcastanospermine