2 5 6 1 4 8 July 8, 2019 16 32 64 128 5 16x 2 3 4 6 1 8 5 16х 2 3 4 6 1 8 1 2 3 4 4a 5 6 8a octahydro naphthalene 2 4 5 x 6 1 8 2 3of 5 1 6 4 3 8 2 6-dibromonaphthalene-1 4 5 8-tetracarboxylic dianhydride 2 3 e 4 5 1 6 8 1 2 4 5 6 8 amendments 8 1 4 2 5 6 in fraction 5 6 1 3x )= 4 (- 5x 8 2 8 5 6 divided by 2 1 4 1 2 3 4 5 6 to 80
