title: The heptacarboxylic porphyrin of various types of porphyria and the melting-point curve of methyl esters of the 1 and 3 isomers.
mesh_terms: D002624:Chemistry, Clinical; D002854:Chromatography, Paper; D001556:Hexachlorocyclohexane / Q000506:poisoning; D006801:Humans; D011164:Porphyrias / Q000151:congenital / Q000235:genetics / Q000652:urine*; D011166:Porphyrins / Q000032:analysis*; D013053:Spectrophotometry; D014961:X-Ray Diffraction
chemical_list: D011166:Porphyrins; D001556:Hexachlorocyclohexane