- 4, 4′-(1, 3, 6, 8-tetraoxo-1, 3, 6, 8-tetrahydrobenzo[lmn][3, 8]phenanthroline-2, 7-diyl)dibenzoic acid,98%, 1g
- 4, 4′-(1, 3, 6, 8-tetraoxo-1, 3, 6, 8-tetrahydrobenzo[lmn][3, 8]phenanthroline-2, 7-diyl)dibenzoic acid,98%, 100mg
- 4, 4′-(1, 3, 6, 8-tetraoxo-1, 3, 6, 8-tetrahydrobenzo[lmn][3, 8]phenanthroline-2, 7-diyl)dibenzoic acid,98%, 250mg