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Deadly Drug Cychlorphine Arrives in San Francisco

City officials and a mother work to stop the spread of cychlorphine, a drug far more potent than fentanyl.

1 publisher · 1 article · first seen 14 Sept 2026 · updated 2d ago

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  1. A Teen Autopsy Marks the Arrival of a Deadly Drug in San Francisco The New York Times ·

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  • San Francisco