.beta.-D-Glucopyranose, cyclic 2.fwdarw.2:3.fwdarw.2'-[(1S)-4-(6-carboxy-2,3,4-trihydroxyphenoxy)-4',5,5',6,6'-pentahydroxy[1,1'-biphenyl]-2,2'-dicarboxylate] cyclic 4,6-[(1S)-4,4',5,5',6,6'-hexahydroxy[1,1'-biphenyl]-2,2'-dicarboxylate] 1-(3,4,5-trihydroxybenzoate), ester with.beta.-D-glucopyranose cyclic 2,3-[(1S)-4,4',5,5',6,6'-hexahydroxy [1,1'-biphenyl]-2,2'-dicarboxylate]1,6-bis(3,4,5-trihydroxybenzoate) 104696-16-4 AIDS-070911 AIDS070911 Nobotanin B