title: Hydrocarbons obtained by pyrolysis of some precambrian rocks of Minnesota.
mesh_terms: D000475:Alkenes / Q000302:isolation & purification; D001554:Benzene / Q000302:isolation & purification; D002245:Carbon Dioxide / Q000302:isolation & purification; D006838:Hydrocarbons / Q000302:isolation & purification*; D008697:Methane / Q000302:isolation & purification; D008910:Minnesota; D009584:Nitrogen / Q000302:isolation & purification
chemical_list: D000475:Alkenes; D006838:Hydrocarbons; D002245:Carbon Dioxide; D001554:Benzene; D009584:Nitrogen; D008697:Methane