| 1. | For opioid agonists and opium derivatives, these are classified differently.
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| 2. | Opium derivatives were known to be used in some ointments.
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| 3. | This group included opium derivatives, like heroin, as well as LSD.
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| 4. | The most popular kinds are cheap opium derivatives and home-made chemical concoctions.
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| 5. | The restrictions have done little to thwart a booming black market for the opium derivative.
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| 6. | Hydrocodone, also an opium derivative, is the active ingredient in Vicodin, Lortab and Lorcet.
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| 7. | Dishes at the restaurants in Guizhou province contained varying degrees of the opium derivative morphine, the report said.
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| 8. | Chemically, it is a close relative of every other opium derivative and synthetic : heroin, morphine, codeine, fentanyl, methadone.
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| 9. | Myanmar, also known as Burma, and Afghanistan are the world's biggest producers and exporters of heroin, an opium derivative.
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| 10. | OxyContin, approved by the FDA in 1995, is a time-released form of oxycodone, an opium derivative also found in Percocet.
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