The combination of formyl-substituted haemins with nitrogenous ligands.
D000588:Amines; D055598:Chemical Phenomena; D002621:Chemistry; D006418:Heme; D010860:Pigments, Biological; D011725:Pyridines; D012996:Solutions
D000588:Amines; D010860:Pigments, Biological; D011725:Pyridines; D012996:Solutions; D006418:Heme