As
@negrogesic said, it’s most likely going to be etizolam, clonazolam, or something like that. These are clinically untested RC benzos which are a bit different from Xanax and far more potent, impairing, and unsafe.
If you are going to order benzos off of the gray/black market, I strongly suggest getting both a Benzodiazepine reagent and fentanyl strips from a site such as
this one (I have not tried that site personally and unfortunately cannot vouch for it, but it seems to be legitimate and is only a cost of about $20-30 to ensure your safety and prevent 10-100x+ that in medical bills if things were to go wrong)
Such a kit will allow you to find out which benzodiazepine is in your pills and also ensure that there is zero fentanyl present.
You may also be better off looking for Ativan or Klonopin as these may be less likely to be inauthentic. I have never tried doing so, but that is just a hunch that I have.