title: Separation of porphyrin methyl esters by two-dimensional thin-layer chromatography.
mesh_terms: D002855:Chromatography, Thin Layer; D004952:Esters; D008722:Methods; D008745:Methylation; D011166:Porphyrins / Q000302:isolation & purification*
chemical_list: D004952:Esters; D011166:Porphyrins