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Designer opioids

AH-7921 (doxylam) AH-7921 (doxylam) According to its psychoactive effects, it is closest to morphine. First synthesized 45 years ago, it...

Morphine

Morphine The word "morphine" is known to everyone. But few are familiar with the specifics of this substance and knows...

Methadone

methadone The history of methadone, an opium analgesic of synthetic origin, goes back over 70 years. It was first synthesized...