1-Deoxy-6,8a-diepicastanospermine 1-Deoxy-6-epicastanospermine 1-Deoxycastanospermine 115649-93-9 6,7,8-Indolizinetriol, octahydro-, (6S-(6alpha,7beta,8alpha,8aalpha))- 6,7,8-Trihydroxyindolizidine