PTP1B-IN-25 (Compound 19) is a PTP1B inhibitor with remarkable antiviral , antibacterial , and antidiabetic activities. PTP1B-IN-25 has IC 50 values of 0.37 μM, 8.6 μM, 3.7 μM, and 29 μM against PTP1B , HIV , α-Glucosidase , and methicillin-resistant Staphylococcus aureus ( MRSA ) respectively.