Research Article

RP-HPLC Analytical Method Development and Validation for Simultaneous Estimation of Three Drugs: Glimepiride, Pioglitazone, and Metformin and Its Pharmaceutical Dosage Forms

Table 2

Linearity results.

Linearity rangeCorrelation coefficient

Glimepiride50–150%0.995
Pioglitazone50–150%0.9951
Metformin50–150%0.992