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TimothyW. Ryan. (1998) Identification of Four Process-Related Impurities in the Bulk Drug Butalbital Using HPLC-UV Photodiode Array Detection, Particle Beam MS, and NMR. Analytical Letters 31:14, pages 2447-2456.
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TimothyW. Ryan. (1998) Resolution of the Co-eluting Impurity 3,4-Dihydro-3,3-dimethylisoquinoline in Phentermine Base Using HPLC-UV Photodiode Array Detection Followed by Identification via GC-(EI+)-MS. Analytical Letters 31:14, pages 2375-2395.
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Articles from other publishers (4)
X. Liang, H. Patel, J. Young, P. Shah & T. Raglione. (2008) The practical application of implementing the equimolar response principle of chemiluminescent nitrogen detection in pharmaceutical analysis. Journal of Pharmaceutical and Biomedical Analysis 47:4-5, pages 723-730.
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