SEARCH Articles Figures Tables 1,3-O-benzylidene 3,5-O-Benzylidenation Glucopyranosid methyl Glucopyranoside methyl 6-0- Glucopyranoside, methyl 4,6-O- Methyl 3,4-0-benzylidene Methyl 3,4-O-benzylidene Methyl 4,6-O-benzylidene-a-D-glucopyranoside Methyl glucopyranosides