Tylenol is   just a brand name (McNeil Labs) â¦for acetaminophen. Acetaminophen is acetaminophen, whether it's brand name is Tylenol, Datril, Panadol, Valorin, or approx. 60 other brand names. The same goes for aspirin. Aspirin is aspirin, whether it's brand name is Bayer, Emprin, ZORprin, or approx.