| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Staphylococcus sp. (penicillin-resistant) |
- |
- |
≥0.25 － ? |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin)  |
230 |
| Staphylococcus sp. (penicillin-resistant) |
- |
- |
≥4 － ? |
Oxacillin (Prostaphilin, Bactocil, Prostaphlin) |
230 |
| Staphylococcus sp. (penicillin-susceptible) |
- |
- |
≤0.12 － ? |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) |
230 |
| Staphylococcus sp. (penicillin-susceptible) |
- |
- |
≤2 － ? |
Oxacillin (Prostaphilin, Bactocil, Prostaphlin) |
230 |