methyl 6-azido-2,3,4,6,7-pentadeoxy-2-phthalimido-α-D-ribo-heptopyranoside

methyl 2-benzyloxycarbonylamino-2-deoxy-6-O-trityl-α-D-glucopyranoside

methyl 2,3,4-trideoxy-2-phthalimido-6-O-trityl-α-D-glucopyranoside

benzyl N-[2,4,5-trihydroxy-6-(hydroxymethyl)oxan-3-yl]carbamate

methyl 2-benzyloxycarbonylamino-2-deoxy-3,4-bis-O-(methylsulfonyl)-6-O-trityl-α-D-glucopyranoside