Table 2. Synthesis and Antimicrobial Activity of 4-Fluorophenyl-Substituted Hydrazone Derivatives, Gram-Positive Bacteria: Antibiotic Susceptible Strain S. aureus ATCC 25923 (Sa), and Antibiotic-Resistant Strains: S. aureus BAA-2312 (Sa12), S. aureus ATCC 33591 (Sa91), S. aureus ATCC 700699 (Sa99), S. aureus ATCC 33592 (Sa92), S. epidermidis 700296 (Se), B. subtilis ATCC 6623 (Bs), and NA = No Activity.