Fig. 11From: Novel approaches for determination of antiretroviral reverse transcriptase inhibitor agent in commercial dosage forms by using spectrofluorimetric, first derivative spectrophotometric, and HPLC methodsChromatograms of the tenofovir calibration solutions. (1) Tenofovir. (2) Ritonavir. Retention times of tenofovir and ritonavir are 2.64 and 3.07 min, respectivelyBack to article page