Antibacterial agent 143

Antibacterial agent 143 (Compound 5a) is an antibacterial agent with MICs of 25, 25, 50 and 50 μg/mL against B. subtilis ATCC6633, S. aureus ATCC6538, P. aeruginosa ATCC13525 and E. coli ATCC35218, respectively[1].