英文别名10-chloro-11-(1-methyl-piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine; desloratadine impurity 6; Desloratadine N-Methyl 10-Chloro Analog; 5H-Benzo[5,6]cyclohepta[1,2-b]pyridine, 10-chloro-6,11-dihydro-11-(1-methyl-4-piperidinylidene)-; Desloratadine Impurity 33 
