Synonyms:
4-[8-chloro-5,6-dihydro-4-(hydroxymethyl)-11h-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene]-1-piperidinecarboxylic acid ethyl este ; loratadine 4-hydroxymethyl impurity (usp) ; 4-[8-chloro-5,6-dihydro-4-(hydroxymethyl)-11h-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene]-1-piperidinecarboxylic acid ethyl ester