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[1]Patent:DE2414612,1975, Chem.Abstr.,1976,vol.84
[2]Patent:DE2509037,1976, Chem.Abstr.,1976,vol.85
[1]Patent:DE2414612,1975, Chem.Abstr.,1976,vol.84
[2]Patent:DE2509037,1976, Chem.Abstr.,1976,vol.85
[1]Patent:WO2004/80962,2004,A1.Locationinpatent:Page176