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[2]Locationinpatent:schemeortableSchirok,Hartmut;Paulsen,Holger;Kroh,Walter;Chen,Gang;Gao,Ping[OrganicProcessResearchandDevelopment,2010,vol.14,#1,p.168-173]
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[1]CurrentPatentAssignee:ASTELLASPHARMAINC.-WO2007/7919,2007,A2Locationinpatent:Page/Pagecolumn43-44