Loratadine EP Impurity C

Chemical Name: Ethyl 4-(4,8-dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate (as per EP) ; Ethyl 4-(4,8-dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-carboxylate (as per USP)

Synonym: 4-Chloro Loratadine (USP)