Fig. 2From: Green HPLC method with time programming for the determination of the co-formulated eye drops of tafluprost and timolol in their challengeable ratioChromatograms of: a laboratory prepared mixture of 6 µg mL−1 TFL, 2000 µg mL−1 TIM and 100 µg mL−1 MEB (IS). b Taflupro plus® eye drops 3 µg mL−1 TFL and 1000 µg mL−1 TIM in the presence of 100 µg mL−1 (IS) under the described chromatographic conditionBack to article page