N 3 )( n 4 ) 5 July 8, 2019 16 32 64 128 N 3 )( n 4 )+ 5 N 3 2 n 5 4 3 n 4 5n N 3 4 5 6 N n 4 )( 3n 5 N n 2 n 3 n 4 n 5 formula N 3 3n 4 5n 6 21 N 2 3 n 4 5n 6 21 3 n 4 5y N 3 4 n 5 7 5 14 N-3 5 + and-4 7 = 6-2n-1 35 N n '- ethylenebis 3 4 5 6 tetrabromophthalimide N 1 )( n 2 )( n 3 )( n 4 )/ 5x4x3x2x1
