共 25 条
[3]
Bandichhor, 2008, Processes for the preparation of levetiracetam, Patent No. [2008077035, WO2008077035A2]
[6]
CROWE D, 2001, Patent No. 2001017966
[7]
Dolityzky B, 2004, WO Pat., Patent No. [2004,069,796, 2004069796]
[10]
Glaser V, 2008, GENET ENG BIOTECHN N, V28, P30