英文别名Loratadine impurity E; Loratadine Impurity 15; Loratadine Impurity; 4,8-Dichloro-5,6-dihydro-11H-benzo(5,6)cyclohepta(1,2-b)pyridin-11-one; Loratadine USP Related Compound E; Desloratadine impurity J; Loratadine Dichloro Impurity; Loratadine Impurity J