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Balsamo A, Barontini S, Calvani F, Gentili D, Macchia M, Rossello A, Di Modugno E, Felici A. New N-substituted 7-aminocephalosporanic acid derivatives as potential agents against Streptococcus pneumoniae. Synthesis and in vitro activity. Bioorganic & Medicinal Chemistry Letters. 1999 Apr;9(7):1035–40. doi: 10.1016/s0960-894x(99)00127-4. |