In your case, any mistakes you make is unlikely to affect a third party. But should a third party be involved, they'll try to pin the blame on the pharma, not y

In your case, any mistakes you make is unlikely to affect a third party. But should a third party be involved, they'll try to pin the blame on the pharma, not you, the pharma has the cash. In which case, they'll be arguing to the judge that the way you work makes you more like an employee than a contractor, even though you don't enjoy the benefits of being an employee.