5,5',7-trichloro-6-hydroxy-4'-methoxy-4,6'-dimethylspiro-2',3(2H)-dione

4,6-dichloro-3,5-dimethoxyhomophthalic anhydride

(3-Chloro-2,6-dihydroxy-4-methoxy-phenyl)-(3,5-dichloro-2,4-dihydroxy-6-methyl-phenyl)-methanone

3,8-diacetoxy-2,7,9-trichloro-1,6-dimethyldibenzo<1,4>dioxepin-11-one

(3-Chloro-6-hydroxy-2,4-dimethoxy-phenyl)-(3,5-dichloro-2,4-dihydroxy-6-methyl-phenyl)-methanone