Tamiflu (Oseltamivir) is an antiviral drug used to treat flu infections. After the emergence of both avian flu and swine flu governments around the world decided to create emergency stockpiles to prepare for a possible epidemic that never emerged. (3 marks) HN NH2 O O Morphine is a natural product produced by the poppy plant. It belongs to the opiate class of compounds and is closely related to heroin and codeine to name just a few. (3 marks) HO O HO.. H