7,8,9,12,13,14,17,18,19,25,29-undecahydroxy-24-(hydroxymethyl)-3,23,26-trioxahexacyclo[13.10.3.1~2,6~.0~5,10~.0~11,28~.0~16,21~]nonacosa-5,7,9,11(28),12,14,16,18,20-nonaene-4,22,27-trione (non-preferred name)