DESLORATADINEEPIMPURITYAHCL;2250242-44-3;DESLORATADINE EP IMPURITY A HCL;8-Chloro-11-fluoro-11-(piperidin-4-yl)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine hydrochloride;(11RS)-8-chloro-11-fluoro-11-(piperidin-4-yl)-6,11- dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine