Table 1 | System suitability..

	Metformin	Pioglitazone	Glibenclamide	Glimepride
Retention time (Rt)	2	3	7	9
Capacity Factors (K’)	2.3	2.4	2.4	2.3
Theoretical plates (N)	2763	2762	2763	2764
Tailing factor (T)	1. 2	1.2	1.3	1. 2
Resolution (R)	6.14	6.14	7.14	8.14

Table 1: System suitability parameters.