(1R,18S,20R,21S,22R)-21,22-Bis-benzyloxy-20-benzyloxymethyl-2,5,8,11,14,17,19-heptaoxa-bicyclo[16.2.2]docosane

(1R,22S,24R,25S,26R)-25,26-Bis-benzyloxy-24-benzyloxymethyl-2,5,8,15,18,21,23-heptaoxa-tricyclo[20.2.2.09,14]hexacosa-9,11,13-triene