National Drug Data File	Anatomical Therapeutic Chemical Classification	Source
http://purl.bioontology.org/ontology/NDDF/005790	http://purl.bioontology.org/ontology/ATC/C04AX28	CUI
http://purl.bioontology.org/ontology/NDDF/018520	http://purl.bioontology.org/ontology/ATC/N05BA25	CUI
http://purl.bioontology.org/ontology/NDDF/001506	http://purl.bioontology.org/ontology/ATC/N06AA17	CUI
http://purl.bioontology.org/ontology/NDDF/018835	http://purl.bioontology.org/ontology/ATC/L01XX74	CUI
http://purl.bioontology.org/ontology/NDDF/012574	http://purl.bioontology.org/ontology/ATC/N06AX23	CUI
http://purl.bioontology.org/ontology/NDDF/008494	http://purl.bioontology.org/ontology/ATC/L01BA04	CUI
http://purl.bioontology.org/ontology/NDDF/002005	http://purl.bioontology.org/ontology/ATC/D01AE13	CUI
http://purl.bioontology.org/ontology/NDDF/019149	http://purl.bioontology.org/ontology/ATC/L01FX25	CUI
http://purl.bioontology.org/ontology/NDDF/004626	http://purl.bioontology.org/ontology/ATC/N02AD02	CUI
http://purl.bioontology.org/ontology/NDDF/003726	http://purl.bioontology.org/ontology/ATC/D04AA15	CUI
http://purl.bioontology.org/ontology/NDDF/003726	http://purl.bioontology.org/ontology/ATC/R06AX01	CUI
http://purl.bioontology.org/ontology/NDDF/016803	http://purl.bioontology.org/ontology/ATC/L01XX52	CUI
http://purl.bioontology.org/ontology/NDDF/011175	http://purl.bioontology.org/ontology/ATC/L04AA24	CUI
http://purl.bioontology.org/ontology/NDDF/006757	http://purl.bioontology.org/ontology/ATC/S01BC11	CUI
http://purl.bioontology.org/ontology/NDDF/004744	http://purl.bioontology.org/ontology/ATC/S01ED03	CUI
http://purl.bioontology.org/ontology/NDDF/004349	http://purl.bioontology.org/ontology/ATC/C04AE04	CUI
http://purl.bioontology.org/ontology/NDDF/001469	http://purl.bioontology.org/ontology/ATC/N05CD10	CUI
http://purl.bioontology.org/ontology/NDDF/001661	http://purl.bioontology.org/ontology/ATC/R05DB11	CUI
http://purl.bioontology.org/ontology/NDDF/003420	http://purl.bioontology.org/ontology/ATC/S01XA18	CUI
http://purl.bioontology.org/ontology/NDDF/003420	http://purl.bioontology.org/ontology/ATC/L04AD01	CUI
http://purl.bioontology.org/ontology/NDDF/005728	http://purl.bioontology.org/ontology/ATC/N05AL03	CUI
http://purl.bioontology.org/ontology/NDDF/013420	http://purl.bioontology.org/ontology/ATC/M03AC04	CUI
http://purl.bioontology.org/ontology/NDDF/007663	http://purl.bioontology.org/ontology/ATC/L01FD01	CUI
http://purl.bioontology.org/ontology/NDDF/010893	http://purl.bioontology.org/ontology/ATC/L01BC04	CUI
http://purl.bioontology.org/ontology/NDDF/005117	http://purl.bioontology.org/ontology/ATC/P01CX03	CUI
http://purl.bioontology.org/ontology/NDDF/005117	http://purl.bioontology.org/ontology/ATC/D11AX16	CUI
http://purl.bioontology.org/ontology/NDDF/005117	http://purl.bioontology.org/ontology/ATC/L01XX79	CUI
http://purl.bioontology.org/ontology/NDDF/005772	http://purl.bioontology.org/ontology/ATC/C02AC06	CUI
http://purl.bioontology.org/ontology/NDDF/004894	http://purl.bioontology.org/ontology/ATC/L01CA02	CUI
http://purl.bioontology.org/ontology/NDDF/013421	http://purl.bioontology.org/ontology/ATC/M03AC01	CUI
http://purl.bioontology.org/ontology/NDDF/004872	http://purl.bioontology.org/ontology/ATC/P01BA06	CUI
http://purl.bioontology.org/ontology/NDDF/016621	http://purl.bioontology.org/ontology/ATC/B02BD10	CUI
http://purl.bioontology.org/ontology/NDDF/005383	http://purl.bioontology.org/ontology/ATC/C08CA08	CUI
http://purl.bioontology.org/ontology/NDDF/003923	http://purl.bioontology.org/ontology/ATC/G03DC01	CUI
http://purl.bioontology.org/ontology/NDDF/004000	http://purl.bioontology.org/ontology/ATC/C03BA05	CUI
http://purl.bioontology.org/ontology/NDDF/004689	http://purl.bioontology.org/ontology/ATC/S01EB03	CUI
http://purl.bioontology.org/ontology/NDDF/006256	http://purl.bioontology.org/ontology/ATC/A02BA06	CUI
http://purl.bioontology.org/ontology/NDDF/003963	http://purl.bioontology.org/ontology/ATC/B01AC09	CUI
http://purl.bioontology.org/ontology/NDDF/005318	http://purl.bioontology.org/ontology/ATC/A05AX03	CUI
http://purl.bioontology.org/ontology/NDDF/001253	http://purl.bioontology.org/ontology/ATC/A14AA09	CUI
http://purl.bioontology.org/ontology/NDDF/001119	http://purl.bioontology.org/ontology/ATC/G04BX01	CUI
http://purl.bioontology.org/ontology/NDDF/001119	http://purl.bioontology.org/ontology/ATC/A02AA04	CUI
http://purl.bioontology.org/ontology/NDDF/005618	http://purl.bioontology.org/ontology/ATC/N02CX06	CUI
http://purl.bioontology.org/ontology/NDDF/002090	http://purl.bioontology.org/ontology/ATC/B01AA10	CUI
http://purl.bioontology.org/ontology/NDDF/004467	http://purl.bioontology.org/ontology/ATC/J01XX01	CUI
http://purl.bioontology.org/ontology/NDDF/004467	http://purl.bioontology.org/ontology/ATC/S02AA17	CUI
http://purl.bioontology.org/ontology/NDDF/005233	http://purl.bioontology.org/ontology/ATC/C01BB04	CUI
http://purl.bioontology.org/ontology/NDDF/002985	http://purl.bioontology.org/ontology/ATC/D01AC06	CUI
http://purl.bioontology.org/ontology/NDDF/002985	http://purl.bioontology.org/ontology/ATC/P02CA02	CUI
http://purl.bioontology.org/ontology/NDDF/006204	http://purl.bioontology.org/ontology/ATC/N05AH03	CUI