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
55289-633-20	55289-633	HUMAN PRESCRIPTION DRUG	Chlorzoxazone	Chlorzoxazone	TABLET	ORAL	20110831	N/A	ANDA	ANDA089859	PD-Rx Pharmaceuticals, Inc.	CHLORZOXAZONE	500 mg/1	20 TABLET in 1 BOTTLE, PLASTIC (55289-633-20)
55289-633-24	55289-633	HUMAN PRESCRIPTION DRUG	Chlorzoxazone	Chlorzoxazone	TABLET	ORAL	20110831	N/A	ANDA	ANDA089859	PD-Rx Pharmaceuticals, Inc.	CHLORZOXAZONE	500 mg/1	24 TABLET in 1 BOTTLE, PLASTIC (55289-633-24)
55289-633-28	55289-633	HUMAN PRESCRIPTION DRUG	Chlorzoxazone	Chlorzoxazone	TABLET	ORAL	20110831	N/A	ANDA	ANDA089859	PD-Rx Pharmaceuticals, Inc.	CHLORZOXAZONE	500 mg/1	28 TABLET in 1 BOTTLE, PLASTIC (55289-633-28)
55289-633-30	55289-633	HUMAN PRESCRIPTION DRUG	Chlorzoxazone	Chlorzoxazone	TABLET	ORAL	20110831	N/A	ANDA	ANDA089859	PD-Rx Pharmaceuticals, Inc.	CHLORZOXAZONE	500 mg/1	30 TABLET in 1 BOTTLE, PLASTIC (55289-633-30)
55289-633-40	55289-633	HUMAN PRESCRIPTION DRUG	Chlorzoxazone	Chlorzoxazone	TABLET	ORAL	20110831	N/A	ANDA	ANDA089859	PD-Rx Pharmaceuticals, Inc.	CHLORZOXAZONE	500 mg/1	40 TABLET in 1 BOTTLE, PLASTIC (55289-633-40)