Synthesis of Difamilast (ADQUEY)
Patent / Application Type Assignee Filed Expiry (~) WO 2007/058338 A1 (US 7,919,617 B2; EP 1,953,148 B1; JP 4,975,757 B2) Composition of matter (originator) Otsuka Pharmaceutical Co., Ltd. 2006-11-16 (priority 2005-11-15, JP 2005-330289) ~Nov 2026 nominal (US 7,919,617…
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