Click down on the above molecule to display a menu of ways to manipulate it. The above molecule is heroin. It is an alkaloid, which means it is an organic nitrogenous base derived from a plant. Morphine is a opium derivative and heroin is derived from morphine. Opium is a naturally occuring alkaloid in opium poppies.
Opiates are analgesics with strong narcotic action, they cause sedation and loss of consciousness.