US 10,606,172 B2  Comparative Que  formulae  nchers 1 to  7  of  the foll  .  owmg structural  Comparative Quencher 1  Comp  •  aral!ve Quencher  2  omparal!ve Quencher  3  Comparal!ve Quench  4  er  -continued  PAG4  -continued  Comp  •  arat1ve Quencher 5  Q  0-s+  Comp  •  arat1ve Quencher 6  0-<o  o- Water-repellent  1  po ymers 1 and  2  Comp  •  arat1ve Quencher  7  F  F  ,-u-{  F  F  Water-repellent pol ymer 1  Mw~S,900  Mw!Mn~ 1.96  Mw~9,300  Mw!Mn~ 1.87  Water-repellent polymer 2  85  86 