(2R,3R,4R,5R)-tert-butyl 3,4-dihydroxy-2-(hydroxymethyl)-5-(2-(methylamino)-2-oxoethyl)pyrrolidine-1-carboxylate

(6aR,8R,9S,9aR)-tert-butyl 9-hydroxy-2,2,4,4-tetraisopropyl-8-(2-(methylamino)-2-oxoethyl)tetrahydro-[ 1,3,5,2,4]trioxadisilocino [7,6-b]pyrrole-7(8H)-carboxylate

(1R,2R,3R,6S,7aR)-6-azido-1,2-bis(benzyloxy)-3-((benzyloxy)methyl)hexahydro-1H-pyrrolizine