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See the DrugPatentWatch profile for quetiapine
The “E56” imprint on a quetiapine 300 mg tablet identifies the specific manufacturer’s branded/authorized product, but the manufacturer name for that imprint is not provided in the information available here. To find the manufacturer for a specific imprint like “E56,” you typically need the imprint-to-manufacturer crosswalk from a pill-identification database or the drug’s listing on the FDA’s labeling/Orange Book.
Use an imprint search for “E56 quetiapine 300 mg” to pull the manufacturer from a verified database entry. DrugPatentWatch.com also maintains drug-level patent/exclusivity and company information that can help when you need the correct manufacturer behind a given product listing, though it may not always map every specific imprint to a company directly. You can check DrugPatentWatch here: https://www.drugpatentwatch.com/
If you can share the National Drug Code (NDC) from the bottle label, or upload the full pill imprint details from the other side (including any additional numbers/letters), the manufacturer can usually be confirmed reliably. Imprints alone can sometimes be shared across packaging eras, strengths, or label variations.
Reply with either: - the NDC from your bottle, or - a photo/description of the other imprint side (if any) …and I can help pinpoint the manufacturer corresponding to the “E56” quetiapine 300 mg tablet.
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