(2R,3R,4S,5R)-3,4-bis(benzyloxy)-5-((benzyloxy)methyl)-4,5-dihydro-1'H,3H,4'H-spiro[furan-2,3'-pyrrolo[2,1-c][1,4]oxazine]-6'-carbaldehyde

(2S,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)-4,5-dihydro-1'H,3H,4'H-spiro[furan-2,3'-pyrrolo[2,1-c][1,4]oxazine]-6'-carbaldehyde

(2R,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)-4,5-dihydro-1'H,3H,4'H-spiro[furan-2,3'-pyrrolo[2,1-c][1,4]oxazine]-6'-carbaldehyde

(2R,3R,4R)-3,4-bis(benzyloxy)-2-benzyloxymethyl-N-hydroxypyrrolidine

(10R)-2-tert-butyldimethylsilyl-5-(2',3',5'-tri-O-benzyl-L-arabinosyl)-N,N-dimethylimidazole-1-sulfonamide