@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_heroin_	skos:broader	isac:_codeine_ .
isac:_gasoline_	skos:broader	isac:_codeine_ .
isac:_morphine_	skos:broader	isac:_codeine_ .
isac:_narcotic_	skos:broader	isac:_codeine_ .
isac:_hydrocodone_	skos:broader	isac:_codeine_ .
isac:_oxycodone_	skos:broader	isac:_codeine_ .
isac:cough_syrup_	skos:broader	isac:_codeine_ .
isac:_valium_	skos:broader	isac:_codeine_ .
isac:_codeine_	skos:broader	isac:_codeine_ .
isac:_liver_	skos:broader	isac:_codeine_ .
isac:_derivative_	skos:broader	isac:_codeine_ .
isac:_pain_	skos:broader	isac:_codeine_ .
isac:_drug_	skos:broader	isac:_codeine_ .
isac:_cocaine_	skos:broader	isac:_codeine_ .
isac:_alcohol_	skos:broader	isac:_codeine_ .
isac:_xanax_	skos:broader	isac:_codeine_ .
isac:_aspirin_	skos:broader	isac:_codeine_ .
isac:_painkiller_	skos:broader	isac:_codeine_ .
isac:_butalbital_	skos:broader	isac:_codeine_ .
isac:_hydromorphone_	skos:broader	isac:_codeine_ .
isac:_co-codamol_	skos:broader	isac:_codeine_ .
isac:_oxycontin_	skos:broader	isac:_codeine_ .
isac:_tramadol_	skos:broader	isac:_codeine_ .
isac:_promethazine_	skos:broader	isac:_codeine_ .
isac:_tylenol_3	skos:broader	isac:_codeine_ .