2 2 4 7 9 July 8, 2019 16 32 64 128 2 1 2 4 7 9 2 4 7 9x 2 4 7 9 10 2 4 7 9 12 2 4 7 9 14 2 4 7 9 5 7 2 2 4 0 9 x 2 4 7 9 11 2 4 7 9-tetramethyl-5-decyn diol