title: Studies in mycological chemistry. XXX and last. Isolation and structure of purpuride, a metabolite of Penicillium purpurogenum Stoll.
mesh_terms: D006868:Hydrolysis; D007783:Lactones / Q000032:analysis / Q000302:isolation & purification*; D010407:Penicillium / Q000032:analysis*; D014633:Valine / Q000032:analysis; D014961:X-Ray Diffraction
chemical_list: D007783:Lactones; D014633:Valine