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2C-B (& other 2C-type drugs)
Alcohol
Amphetamines
AMT
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Betel nut
Buprenorphine
BZP
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DXM
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MDA
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New psychoactive substances
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Nitrous oxide
NRG-1
Opium
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Phenazepam
Phencyclidine
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Rohypnol
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Half-life
the amount of time required for the amount of something to fall to half its initial value