Pharmaceutical IntermediateChina Top Quality 3-Chloro-6-Methyl-Dibenzo[C, F][1, 2]Thiazepin-11 (6H) -One 5, 5-Dioxide CAS 26638-53-9, Find details about China 26638-53-9, Medical Intermediate from Top Quality 3-Chloro-6-Methyl-Dibenzo[C, F][1, 2]Thiazepin-11 (6H) -One 5, 5-Dioxide CAS 26638-53-9