- 3,3”’-Dihydroxy-2’,2”,5’,5”-tetramethyl-[1,1′:4’,1”:4”,1”’-quaterphenyl]-4,4”’-dicarboxylic acid,95%, 1g
- 3,3”’-Dihydroxy-2’,2”,5’,5”-tetramethyl-[1,1′:4’,1”:4”,1”’-quaterphenyl]-4,4”’-dicarboxylic acid,95%, 100mg