泰诺林 is Tylenol (对乙酰氨基酚缓释片), which is also generically known as Acetaminophen. It's an OTC medication in Canada. So, you can buy it in any drug stores and you may even be able to buy it in any grocery stores, depending on the package size.
Other brands are Tempra, Atasol and Abenol. Generic products are cheaper. Of course, if you have drug insurance, you can see your Dr. to get a Rx.