5 2 8 7 6 July 8, 2019 16 32 64 128 3 2 5 8 7 6 2 5 9 8 7 6 4 5 8 2 6 7 2 5 8 1 6 7 2 5 8 6 7 as a fraction 30m 2 5 8 6 7 Gmstb 2 5 8 st 7 62 5 6x 2 7 8 Gmstb 2 5 8 stf 7 62 2 2 5 7 8 pentamethyl 6 chromanol 5 6b 1 2 7 8 5 2 6b 10 ) - b 8 7 2 2 5 7 8 pentamethyl 6 hydroxychroman 2 5 4 6 8 7 x y 3 6 5 8 2 7 in fraction