WHO世界卫生组织：2025年世界卫生组织药品信息报告-第39卷，第1期（英文版）

Carry out the test as described under 1.14.1 Chromatography, High-performance liquid chromatography, using the conditions and solutions given under “Identity test C” with the following modification: as the detector, use a diode array detector to record the UV spectrum of the principal peak in each chromatogram in the range of 220 nm to 400 nm. The retention time and the UV spectrum of the principal peak in the chromatogram obtained with solution (A) corresponds to the retention time and the U