Indolizines

CZ150
Castanospermine
(1S,6S,7R,8R,8aR)-1,2,3,5,6,7,8,8a-octahydroindolizine-1,6,7,8-tetrol
SZ100
Swainsonine
(1S,2R,8R,8aR)-1,2,3,5,6,7,8,8a-Octahydroindolizine-1,2,8-triol