388
K. Singhal and A. Kumar
Table 16.1
(continued)
N
N
R
R
Imidazolium ion
N
R
Pyridinium ion
IL
Established anion
References IL
Established anion
References
N
N
R
R
NbCl
6
NbCl
6
−
[26]
N
R
PCl
6
R
NbCl
6
−
[26]