(52R,53S,54R,55S,56S)-14,15,16,24,25,26,53,55-Octahydroxy-3,8-dioxo-53,54,55,56-tetrahydro-52H-4,7-dioxa-5(4,2)-pyrana-1,2(1,2)-dibenzenacyclooctaphane-56-yl 3,4,5-trihydroxybenzoate
2-Amino-3-(2,4,5-trihydroxyphenyl)propanoic acid
