CCCOCC(=[NH+]c1ccc(Cl)cc1C(F)(F)F)n1ccnc1 mol21845 1_1 CCCOCC(=Nc1ccc(Cl)cc1C(F)(F)F)n1cc[nH+]c1 mol21845 1_2 CCCOCC(=[NH+]c1ccc(Cl)cc1C(F)(F)F)n1cc[nH+]c1 mol21845 2_1