1 N8W ~{N}-[(6~{S},7~{R},8~{S},8~{a}~{R})-7,8-bis(oxidanyl)-3-oxidanylidene-1,5,6,7,8,8~{a}-hexahydro-[1,3]oxazolo[3,4-a]pyridin-6-yl]ethanamide 1.000 2 GC2 6-acetamido-6-deoxy-castanospermine 0.778