FC(F)(F)c1nnn[nH]1    mol17831    0_1
FC(F)(F)c1n[nH+]n[nH]1    mol17831    1_1
FC(F)(F)c1[nH]nn[nH+]1    mol17831    1_2
FC(F)(F)c1nn[nH+][nH]1    mol17831    1_3
FC(F)(F)c1nnn[n-]1    mol17831    -1_1