title: Thin-layer chromatographic-mass spectrometric identification of 11-nor-delta 9-tetrahydrocannabinol-9-carboxylic acid.
mesh_terms: D002855:Chromatography, Thin Layer; D013759:Dronabinol / Q000031:analogs & derivatives* / Q000652:urine; D005554:Forensic Medicine; D008401:Gas Chromatography-Mass Spectrometry; D006801:Humans
chemical_list: C016780:11-nor-delta(9)-tetrahydrocannabinol-9-carboxylic acid; D013759:Dronabinol