Table 3: Antimicrobial activity of YC-20 against 522 Gram-positive organisms from clinical samples.

Organism/antimicrobial agent50% MIC (mg/L)90% MIC (mg/L)Range MIC (mg/L)

Staphylococcus aureus, MSSA (80)
YC-200.250.50.06–0.5
Linezolid0.2510.25–1
Vancomycin0.510.25–1
Ampicillin1.020.25–4
Cefazolin0.540.125–4
evofloxacin0.12510.06–2