Remove the protecting groups from the original D-galactose to expose the remaining hydroxyl groups.
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ethyl 2,3-di-O-benzyl-5-deoxy-5-C-(4-methoxyphenyl)-β-L-arabinofuranoside
(2S,3R,4S,5R)-5-(tert-Butyl-diphenyl-silanyloxymethyl)-2,3,4,5-tetrahydro-[2,3']bifuranyl-3,4-diol
(2-{(2R,3S,4S,5S,6R)-4-(tert-Butyl-dimethyl-silanyloxy)-6-[(S)-4-(tert-butyl-dimethyl-silanyloxy)-3-methyl-butyl]-3,5-dimethyl-tetrahydro-pyran-2-yl}-3,4,6-trimethoxy-5-methyl-phenyl)-acetaldehyde
C22H32O4