Benzyl2,3:4,6-di-O-benzylidene-a-D-mannopyranoside

Benzyl 2-O,3-O:4-O,6-O-dibenzylidene-α-D-mannopyranoside

PhenylMethyl 2,3:4,6-Bis-O-(phenylMethylene)-α-D-Mannopyranoside