2 5 8 6 1 4 July 8, 2019 16 32 64 128 2 3x 1 6 5 4x 8 1 2 5 7x 8 4x 6 2 4 5 x 6 1 8 8 5 6 divided by 2 1 4 2 6-dibromonaphthalene-1 4 5 8-tetracarboxylic dianhydride 1 2 4 5 6 8 amendments 1 2 6 15 x 5 8 1 4 3 2 3of 5 1 6 4 3 8 8 1 4 2 5 6 in fraction Ph 1 2 4 5 6 8
