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
52568-002-02	52568-002	HUMAN PRESCRIPTION DRUG	NITROUS OXIDE	NITROUS OXIDE	GAS	RESPIRATORY (INHALATION)	19900101	N/A	NDA	NDA209989	Crumpton Welding Supply & Equipment, Inc.	NITROUS OXIDE	99 L/100L	1590 L in 1 CYLINDER (52568-002-02)
52568-002-03	52568-002	HUMAN PRESCRIPTION DRUG	NITROUS OXIDE	NITROUS OXIDE	GAS	RESPIRATORY (INHALATION)	19900101	N/A	NDA	NDA209989	Crumpton Welding Supply & Equipment, Inc.	NITROUS OXIDE	99 L/100L	4920 L in 1 CYLINDER (52568-002-03)
52568-002-04	52568-002	HUMAN PRESCRIPTION DRUG	NITROUS OXIDE	NITROUS OXIDE	GAS	RESPIRATORY (INHALATION)	19900101	N/A	NDA	NDA209989	Crumpton Welding Supply & Equipment, Inc.	NITROUS OXIDE	99 L/100L	13800 L in 1 CYLINDER (52568-002-04)
52568-002-05	52568-002	HUMAN PRESCRIPTION DRUG	NITROUS OXIDE	NITROUS OXIDE	GAS	RESPIRATORY (INHALATION)	19900101	N/A	NDA	NDA209989	Crumpton Welding Supply & Equipment, Inc.	NITROUS OXIDE	99 L/100L	91400 L in 1 CYLINDER (52568-002-05)
52568-002-06	52568-002	HUMAN PRESCRIPTION DRUG	NITROUS OXIDE	NITROUS OXIDE	GAS	RESPIRATORY (INHALATION)	19900101	N/A	NDA	NDA209989	Crumpton Welding Supply & Equipment, Inc.	NITROUS OXIDE	99 L/100L	7570 L in 1 CYLINDER (52568-002-06)