title: Bis-porphyrin derivatives. Part 1. Reaction of meso-hydroxymethyl-porphyrinatometal derivatives with acids.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D003300:Copper; D008665:Metalloporphyrins; D009532:Nickel; D013464:Sulfuric Acids
chemical_list: D008665:Metalloporphyrins; D013464:Sulfuric Acids; D003300:Copper; D009532:Nickel