美国药品NDC（国家药品编码）与药品说明书数据库（U.S. FDA National Drug Code DataBase）

NDC包装代码	产品NDC	产品类型	商品名	通用名	剂型	给药途径	上市日期	结束日期	市场类别	申请号	标签持有者	活性成分	规格	包装描述
50474-598-66	50474-598	HUMAN PRESCRIPTION DRUG	Keppra XR	levetiracetam	TABLET, FILM COATED, EXTENDED RELEASE	ORAL	20080924	N/A	NDA	NDA022285	UCB, Inc.	LEVETIRACETAM	500 mg/1	60 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE, PLASTIC (50474-598-66)
50474-599-66	50474-599	HUMAN PRESCRIPTION DRUG	Keppra XR	levetiracetam	TABLET, FILM COATED, EXTENDED RELEASE	ORAL	20090401	N/A	NDA	NDA022285	UCB, Inc.	LEVETIRACETAM	750 mg/1	60 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE, PLASTIC (50474-599-66)
70518-2109-0	70518-2109	HUMAN PRESCRIPTION DRUG	Keppra XR	levetiracetam	TABLET, FILM COATED, EXTENDED RELEASE	ORAL	20190523	N/A	NDA	NDA022285	REMEDYREPACK INC.	LEVETIRACETAM	500 mg/1	30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BLISTER PACK (70518-2109-0)