title: Condensation of ethyl diazoacetate with cobalt porphyrins.
mesh_terms: D001391:Azo Compounds; D055598:Chemical Phenomena; D002621:Chemistry; D003035:Cobalt; D011166:Porphyrins
chemical_list: D001391:Azo Compounds; D011166:Porphyrins; D003035:Cobalt