7-chloro-1,3,6-trihydroxy-8-methyl-9-oxo-9H-xanthen-2-carboxylic acid

6-benzyloxy-7-chloro-1,3-dihydroxy-8-methyl-9H-xanthen-9-one

benzyl 6-(benzyloxy)-7-chloro-1,3-dihydroxy-8-methyl-9-oxo-9H-xanthene-2-carboxylate

4-benzyloxy-2-(4'-benzyloxycarbonyl-3',5'-dihydroxyphenoxy)-5-chloro-6-methylbenzoic acid

benzyl 6-benzyloxy-4,7-dichloro-1,3-dihydroxy-8-methyl-9-oxo-9H-xanthen-2-carboxylate