314 NO7E methylated sugar (-1 mg) was hydrolyzed Ngith 90 'I (, formic acid (0.5 mL) for 2 h at 100 n and then the solution was evaporated. The residue\ vas again hydrolyzed M ith i\ f hydrochloric acid (0.5 mL) overnight at 100 “. The solution\\ as cvaporatsd i/r IWCIIO. and the residue reduced v,, ith sodium borodeutcrlde(0. 1 m I_ of> odium boredeuteride--lOlrbr sodium hydroxide 111 deutcrium oxide) overnight at 37 After being desalted by passage ...