1-O-Methyl-alpha-D-mannopyranoside 25281-48-5 27939-30-6 617-04-9 EINECS 210-502-3 Mannopyranoside, methyl, alpha-D- (8CI) Methyl alpha-D-mannopyranoside Methyl alpha-D-mannoside (VAN) NSC 1225 alpha-D-Mannopyranoside, methyl alpha-D-Methyl mannoside alpha-Methyl mannopyranoside alpha-Methyl-D-(-)-mannoside