2 2 5 7 6 July 8, 2019 16 32 64 128 2 2 5 6 7 8 2 2 5 7 8 pentamethyl 6 chromanol 2 2 4 5 6 7 2 2 7 * 5 1 6 2 2 3 5 6 7 2 2 5 divided by 6 7 2 2 5 divided by 6 7 as a fraction 2 5 7 6 9 Gmstb 2 5 2 st 7 62 2 2 7 x 5 1 6