Table 2. Antibacterial Activities of Compounds 5a–h as MIC Values (μg/mL)a.

A: E. coli. B: S. marcescens. C: K. pneumoniae. D: P. aeruginosa. E: E. faecalis. F: B. subtilis. G: S. aureus. A–D are Gram-negative bacteria, and E–G are Gram positive bacteria.
