.beta.-D-Allopyranose, cyclic 4,6-[(1S)-4,4',5,5',6,6'-hexahydroxy[1,1'-biphenyl]-2,2'-dicarboxylate]-2-[2-(5-carboxy-2,3-dihydroxyphenoxy)-3,4,5-trihydroxybenzoate] 1-[3-(6-carboxy-2,3,4-trihydroxyphenoxy)-4,5-dihydroxybenzoate] 3-(3,4,5-trihydroxybenzoate), cyclic-2.fwdarw.1:1.fwdarw.2-ester with .beta.-D-glucopyranose cyclic-4,6-[(1S)-4,4',5,5',6,6'-hexahydroxy[1,1'-biphenyl]-2,2'-dicarboxylate]-3-(3,4,5-trihydroxybenzoate) 143201-46-1 AIDS-081134 AIDS081134 Isohirtellin C