CCCCNCC(F)(F)C(F)(F)C(F)(F)CNCCCC mol3231 0_1 CCCCNCC(F)(F)C(F)(F)C(F)(F)C[NH2+]CCCC mol3231 1_1 CCCC[NH2+]CC(F)(F)C(F)(F)C(F)(F)C[NH2+]CCCC mol3231 2_1