2,3,4,6-tetra-O-benzyl-D-galactitol

(2R,3S,4S)-2,3,4-tribenzyloxy-5-((benzyloxy)methyl)-5-hexen-1-ol

(3R,4R,5S)-1,3,4,5-tetrabenzyloxy-6-trityloxy-2-hexanone

(3S,4S,5S)-3,4,5-tribenzyloxy-2-((benzyloxy)methyl)-6-trityloxy-1-hexene