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    HDEP-28

    Aliases: ethylnaphthidate

    HDEP-28 structure

    Summary

    Most likely a TRI, such as HDMP-28, short history of human use.

    ⚠️ AVOID: Other stimulants.

    Dose Information

    Onset, Duration & After-effects

    • Onset: 1-15 minutes
    • Duration: 2-5 hours
    • After-effects: 1-8 hours