147103-18-2

9H-4,7:20,26-Dimethano-10,14-metheno-20H,26H-tribenzo[e,h,l][1,4,10,14]tetraoxacycloeicosin-9-one,6,7-dihydro-1,3,12,13,16,17,18,23,25,27-decahydroxy-6-(3,4,5-trihydroxyphenyl)-,[6R-(6R*,7R*,20R*,26R*,27R*)]-