Synonyms: Dimethyl hexopyranosiduronate;5463-99-0;AC1L5FYM;AC1Q5ZF4;.alpha.-D-Galactopyranosiduronic acid, methyl, methyl ester;NSC20688;AR-1I5669;NSC-20688;methyl 3,4,5-trihydroxy-6-methoxyoxane-2-carboxylate;Galactopyranosiduronic acid, methyl, methyl ester, .alpha.-D-;METHYL 3,4,5-TRIHYDROXY-6-METHOXY-OXANE-2-CARBOXYLATE