Isn't this the normal case of drugs having different names in different countries? I thought this is why the drugs also have a secondary, chemical, name that de

Isn't this the normal case of drugs having different names in different countries? I thought this is why the drugs also have a secondary, chemical, name that describes the actual molecules. Even the most popular drugs have different names - Tylenol isn't named like that in Europe or Russia, AFAIK.