- 5,5’,5”,5”’-((Benzene-1,2,4,5-tetrayltetrakis(methylene))tetrakis(oxy))tetraisophthalic acid,97%, 250mg
- 5,5’,5”,5”’-((Benzene-1,2,4,5-tetrayltetrakis(methylene))tetrakis(oxy))tetraisophthalic acid,97%, 100mg