C[Si](Cn1cncn1)(c1ccc(F)cc1)c1ccc(F)cc1 mol31666 0_1 C[Si](Cn1cnc[nH+]1)(c1ccc(F)cc1)c1ccc(F)cc1 mol31666 1_1 C[Si](Cn1c[nH+]cn1)(c1ccc(F)cc1)c1ccc(F)cc1 mol31666 1_2