1L-(1,2,4/3)-2,3,4-tri-O-benzyl-1-C-(hydroxymethyl)-1,7-O-isopropyliden-5-cyclohexen-1,2,3,4-tetrol

(1'S,2'S,3'S,4'R,5'R,6'S)-3',4',5'-tribenzyloxy-2,2-dimethylspiro<1,3-dioxolane-4,2'-oxabicyclo<4.1.0>heptane>

<(1S,2S,4S,5S,6R)-5-benzyloxy-8,8,2',2'-tetramethylspiro<7,9-dioxabicyclo<4.3.0>nonane-2,4'-1',3'-dioxolan>-4-yl>-<(5''R,6''S,7''S,8''S,9''R,10''S)-8'',9'',10''-tribenzyloxy-6''-hydroxy-2'',2''-dimethyl-1'',3''-dioxaspiro<4.5>decan-7''-yl>amine