Trifluoro-methanesulfonic acid (4R,5R)-5-benzyloxymethyl-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl ester

(E)-3-[(1R,2R)-2,3-Bis-benzyloxy-1-(2-[1,3]dithian-2-yl-ethyl)-propoxy]-acrylic acid ethyl ester

(2R,3R)-1,2-bis-benzyloxy-5-[1,3]dithian-2-yl-pentan-3-ol

(1'R,3aR,5R,7aR)-5-(1',2'-dibenzyloxy-ethyl)-hexahydro-furo[3,2-b]pyran-2-one

(2'R,3'S,6'R,1''R)-[6'-(1'',2''-bis-benzyloxy-ethyl)-3'-hydroxy-tetrahydropyran-2'-yl]-acetic acid ethyl ester

(1'R,1''R)-3-[1'-(1'',2''-dibenzyloxyethyl)-4'-oxo-butoxy]-acrylic acid ethyl ester

(1'R,2R,3R,6R)-6-(1',2'-bis-benzyloxy-ethyl)-2-tetradec-2-enyl-tetrahydro-pyran-3-ol

(1'R,2R)-2-(1',2'-bis-benzyloxyethyl)-5-methoxy-tetrahydrofuran

(1R,2'R)-2-benzyloxy-1-(5'-methoxy-tetrahydrofuran-2'-yl)-ethanol