About Molecules 2019, 24, x FOR PEER REVIEW 5 of 9 Molecules 2019, 24, x FOR PEER REVIEW 5 of 9 3.4% of total fluorinated fragments were needed to attain 10% coverage (Table 2), much higher than 3M.4to%hleacuot lfefsoto2r0t1ar9le, gf2l4u,lo2a8rr3i8nfarategdmferangtsm, eanbt...