- 5′-(4-Carboxy-3-hydroxyphenyl)-3,3”-dihydroxy-[1,1′:3′,1”-terphenyl]-4,4”-dicarboxylic acid,97%, 1 грамм
- 5′-(4-Carboxy-3-hydroxyphenyl)-3,3”-dihydroxy-[1,1′:3′,1”-terphenyl]-4,4”-dicarboxylic acid,97%, 5 грамм