1 1 4 7 5 9 July 8, 2019 16 32 64 128 1 1 35 х 7 5 4 9 1 4 7 cycloundecatriene 1 5 9 9 tetramethyl z z z 1 1 3 5 2 9 х 4 7 1 4 7 cycloundecatriene 1 5 9 9 tetramethyl A 1 4 5 7 b 1 7 9 12 find a ∩ b A 1 4 5 7 b 1 7 9 12 find a ∩ b responses
