methyl 3-C-(carbomethoxymethyl)-3,6-imino-2,3,5,6-tetradeoxy-N-trifluoroacetyl-β-D-lyxo-hexofuranoside

methyl 3,6-imino-2-oxo-3,5,6-trideoxy-N-trifluoroacetyl-β-D-threo-hexofuranoside

methyl 3,6-imino-3,5,6-trideoxy-N-trifluoroacetyl-α-D-glucofuranoside

methyl 3,6-acetylepimino-2,3,5,6-tetradeoxy-β-D-threo-hexofuranoside