2,8-Dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-β]pyridin-11-one Loratadine Side Chain Impurity Loratadine EP Impurity E Loratadine Impurity 16 4-(8-Chloro-6,11-dihydro-11-hydroxy-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-1-piperidinecarboxylic Acid Ethyl Ester Loratadine Impurity 14 Loratadine 4,8-Dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-β]pyridin-11-one (Loratadine Impurity) (1-Methyl-4-piperidinyl)[3-[2-(3-chlorophenyl)ethyl]pyridinyl]methanone hydrochloride 4-Hydroxymethyl Loratadine Loratadine Impurity 8 8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one Loratadine Impurity 15 8-Chloro-6,11-dihydro-11-(1-methyl-4-piperidinyl)-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ol Loratadine Impurity 13 Loratadine Impurity 13 Loratadine Impurity 17 Loratadine EP IMpurity F