National Drug Data File	Anatomical Therapeutic Chemical Classification	Source
http://purl.bioontology.org/ontology/NDDF/004605	http://purl.bioontology.org/ontology/ATC/N06AA06	CUI
http://purl.bioontology.org/ontology/NDDF/004051	http://purl.bioontology.org/ontology/ATC/D01BA02	CUI
http://purl.bioontology.org/ontology/NDDF/004051	http://purl.bioontology.org/ontology/ATC/D01AE15	CUI
http://purl.bioontology.org/ontology/NDDF/004806	http://purl.bioontology.org/ontology/ATC/N02CA04	CUI
http://purl.bioontology.org/ontology/NDDF/005898	http://purl.bioontology.org/ontology/ATC/A11DA02	CUI
http://purl.bioontology.org/ontology/NDDF/017158	http://purl.bioontology.org/ontology/ATC/N07XX16	CUI
http://purl.bioontology.org/ontology/NDDF/006447	http://purl.bioontology.org/ontology/ATC/J01CE03	CUI
http://purl.bioontology.org/ontology/NDDF/004580	http://purl.bioontology.org/ontology/ATC/N05CA15	CUI
http://purl.bioontology.org/ontology/NDDF/004580	http://purl.bioontology.org/ontology/ATC/N01AF01	CUI
http://purl.bioontology.org/ontology/NDDF/004790	http://purl.bioontology.org/ontology/ATC/R06AA08	CUI
http://purl.bioontology.org/ontology/NDDF/004964	http://purl.bioontology.org/ontology/ATC/D01AC09	CUI
http://purl.bioontology.org/ontology/NDDF/013745	http://purl.bioontology.org/ontology/ATC/V09AB03	CUI
http://purl.bioontology.org/ontology/NDDF/014415	http://purl.bioontology.org/ontology/ATC/A01AB24	CUI
http://purl.bioontology.org/ontology/NDDF/014415	http://purl.bioontology.org/ontology/ATC/R02AA21	CUI
http://purl.bioontology.org/ontology/NDDF/000698	http://purl.bioontology.org/ontology/ATC/C04AE01	CUI
http://purl.bioontology.org/ontology/NDDF/000707	http://purl.bioontology.org/ontology/ATC/C05BB01	CUI
http://purl.bioontology.org/ontology/NDDF/006770	http://purl.bioontology.org/ontology/ATC/A07XA01	CUI
http://purl.bioontology.org/ontology/NDDF/007178	http://purl.bioontology.org/ontology/ATC/M05BA06	CUI
http://purl.bioontology.org/ontology/NDDF/012781	http://purl.bioontology.org/ontology/ATC/M05BC02	CUI
http://purl.bioontology.org/ontology/NDDF/001413	http://purl.bioontology.org/ontology/ATC/N05CA10	CUI
http://purl.bioontology.org/ontology/NDDF/001078	http://purl.bioontology.org/ontology/ATC/B03AE03	CUI
http://purl.bioontology.org/ontology/NDDF/001078	http://purl.bioontology.org/ontology/ATC/A11AA01	CUI
http://purl.bioontology.org/ontology/NDDF/001457	http://purl.bioontology.org/ontology/ATC/N05BA05	CUI
http://purl.bioontology.org/ontology/NDDF/002178	http://purl.bioontology.org/ontology/ATC/H02AB15	CUI
http://purl.bioontology.org/ontology/NDDF/001390	http://purl.bioontology.org/ontology/ATC/N01AB04	CUI
http://purl.bioontology.org/ontology/NDDF/003447	http://purl.bioontology.org/ontology/ATC/V03AB32	CUI
http://purl.bioontology.org/ontology/NDDF/003176	http://purl.bioontology.org/ontology/ATC/D08AE01	CUI
http://purl.bioontology.org/ontology/NDDF/011171	http://purl.bioontology.org/ontology/ATC/L04AX04	CUI
http://purl.bioontology.org/ontology/NDDF/005368	http://purl.bioontology.org/ontology/ATC/R01AA13	CUI
http://purl.bioontology.org/ontology/NDDF/013558	http://purl.bioontology.org/ontology/ATC/L01XX41	CUI
http://purl.bioontology.org/ontology/NDDF/006017	http://purl.bioontology.org/ontology/ATC/A02AB06	CUI
http://purl.bioontology.org/ontology/NDDF/000673	http://purl.bioontology.org/ontology/ATC/V08AB02	CUI
http://purl.bioontology.org/ontology/NDDF/003694	http://purl.bioontology.org/ontology/ATC/N02AC01	CUI
http://purl.bioontology.org/ontology/NDDF/004784	http://purl.bioontology.org/ontology/ATC/H01BA02	CUI
http://purl.bioontology.org/ontology/NDDF/008167	http://purl.bioontology.org/ontology/ATC/S01AE09	CUI
http://purl.bioontology.org/ontology/NDDF/008167	http://purl.bioontology.org/ontology/ATC/J01MA22	CUI
http://purl.bioontology.org/ontology/NDDF/003960	http://purl.bioontology.org/ontology/ATC/N06AA16	CUI
http://purl.bioontology.org/ontology/NDDF/014614	http://purl.bioontology.org/ontology/ATC/R03BB05	CUI
http://purl.bioontology.org/ontology/NDDF/009028	http://purl.bioontology.org/ontology/ATC/A10BX03	CUI
http://purl.bioontology.org/ontology/NDDF/013662	http://purl.bioontology.org/ontology/ATC/C09CA09	CUI
http://purl.bioontology.org/ontology/NDDF/001529	http://purl.bioontology.org/ontology/ATC/N05AF04	CUI
http://purl.bioontology.org/ontology/NDDF/004538	http://purl.bioontology.org/ontology/ATC/A11HA02	CUI
http://purl.bioontology.org/ontology/NDDF/001268	http://purl.bioontology.org/ontology/ATC/L02AA02	CUI
http://purl.bioontology.org/ontology/NDDF/007620	http://purl.bioontology.org/ontology/ATC/M05BA07	CUI
http://purl.bioontology.org/ontology/NDDF/013887	http://purl.bioontology.org/ontology/ATC/L01EC01	CUI
http://purl.bioontology.org/ontology/NDDF/003371	http://purl.bioontology.org/ontology/ATC/R06AA11	CUI
http://purl.bioontology.org/ontology/NDDF/003711	http://purl.bioontology.org/ontology/ATC/C03BA03	CUI
http://purl.bioontology.org/ontology/NDDF/003164	http://purl.bioontology.org/ontology/ATC/H03BC01	CUI
http://purl.bioontology.org/ontology/NDDF/001038	http://purl.bioontology.org/ontology/ATC/B02BA01	CUI
http://purl.bioontology.org/ontology/NDDF/018581	http://purl.bioontology.org/ontology/ATC/V09IX14	CUI