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CAS号: 1346602-19-4 英文名称: 8-Dechloro-7-chloro Loratadine 英文同义词: Loratadine Impurity 20;8-Dechloro-7-chloro Loratadine;Loratadine 8-Dechloro-7-Chloro Impurity;Ethyl 4-(7-Chloro-5,6-dihydro-11H-benzo[5,6] cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinecarboxyate;4-(7-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinecarboxylic Acid Ethyl Ester 中文名称: 氯雷他定杂质19 中文同义词: 氯雷他定杂质20 分子式: C22H23ClN2O2 分子量: 382.88322