153  US 9,958,775 B2  154  0  I  O=S=O  F*F  F  F  F  F  SO3  0  Ab-247  CH3  I  ---f-CH2-C+-- OAO  ¢  OH  0  I  O=S=O  F*F  F  F  F  F  CC:D  O=S=O  I  00  Ab-249  [Chem. 92]  -continued  -continued 