119816-53-4 2,4,6-Tdmgp Methyl 2,4,6-trideoxy-2,4-di-C-methylgluohexopyranoside Methyl 2,4,6-trideoxy-2,4-di-C-methylmannohexopyranoside Methyl 2,4,6-trideoxy-2,4-dimethylhexopyranoside