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7-(3′,4′-Dialkoxyphenyl)[1,2,4]-triazolo[1,5-A]pyrimidine compounds, process for preparing thereof, and pharmaceutical composition for treating or preventing asthma, chronic obstructive pulmonary disease, arthritis, atopic dermatitis, tumor and degenerative brain diseases comprising the same

US Patent 8143262 · Granted Mar 27, 2012

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