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Sabry, S M. Application of 2-acetylbutyrolactone to spectrofluorimetry: Fluorescence properties of Schiff bases derived from 2-acetylbutyrolactone and spectrofluorimetric determination of primary amine-containing compounds. Journal of Pharmaceutical and Biomedical Analysis. 2006, 40 (5): 1057–1067. PMID 16256289. doi:10.1016/j.jpba.2005.08.036.
Sabry, S M. Enhanced Spectrophotometry of Sulfonamides with Novel 2‐Acetylbutyrolactone Derivatives. Analytical Letters. 2006, 39 (13): 2591–2615. S2CID 93950011. doi:10.1080/00032710600824748.