1. Benzodiazepines
2. bSmalley, R. K.InComprehensive Organic Chemistry;Barton, D., Ollis, W. D., Eds.Pergamon:Oxford, U.K., 1979; Vol.4, p600.
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4. dDe Baun, J. R.; Pallos, F. M.; Baker, D. R.U.S. Patent 3,978,227, 1976;