title: Pyrroles and related compounds. 28. Beta-keto-esters in the porphyrin series.
mesh_terms: D002264:Carboxylic Acids; D055598:Chemical Phenomena; D002621:Chemistry; D004952:Esters; D011166:Porphyrins; D011758:Pyrroles
chemical_list: D002264:Carboxylic Acids; D004952:Esters; D011166:Porphyrins; D011758:Pyrroles