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Seno, H.; Suzuki, O.; Kumazawa, T.; Hattori, H., Rapid isolation with sep-pak C18 cartridges and wide-bore capillary gas chromatography of benzophenones, the acid-hydrolysis products of benzodiazepines, J. Anal. Toxicol., 1991, 15, 1, 21-24, https://doi.org/10.1093/jat/15.1.21 . [all data]