- 3,3””-Dihydroxy-2’,2”,2”’,5’,5”,5”’-hexamethyl-[1,1′:4’,1”:4”,1”’:4”’,1””-quinquephenyl]-4,4””-dicarboxylic acid,95%, 100mg
- 3,3””-Dihydroxy-2’,2”,2”’,5’,5”,5”’-hexamethyl-[1,1′:4’,1”:4”,1”’:4”’,1””-quinquephenyl]-4,4””-dicarboxylic acid,95%, 250mg