25  US 9,323,153 B2  26  -continued  -continued  [Chem.  12-2]  -CH2-CH- 9’om,  -CH2-CH- 9’0CH,  oyo~  OCOOC(CH$_{3}$ ) 3  CH$_{3 }$ I  -HC-CH 2 - I  -H2C-C- I  O=C  O=C  I  NH  I  0  ¢  ¢  x~  oyo~  [Chem.  12-3]  o~  Gy 