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US5234924A Benzothiazine and benzothiazole compounds useful as analgesics 失效
苯并噻嗪和苯并噻唑化合物可用作镇痛药

Benzothiazine and benzothiazole compounds useful as analgesics
摘要:
Compound of general formula (I): ##STR1## where R.sub.1, R.sub.2, R.sub.3, n and X are defined in the description. Medicinal products.
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