Apparatus
High Performance Liquid Chromatography (HPLC)
System (Waters) consisting of a 600E controller pump, a
717 plus auto sampler, 2996 PDA detector and an inlinedegasser.
Millinium32 software for data processing and
C18 (Waters, Spherisorb 5 um ODS2, 4.6 × 250 mm)
analytical column was used for separation.