hemochromes

https://doi.org/10.1351/goldbook.H02779
Iron–porphyrin complexes, having one or two basic ligands (e.g. piperidine, amines).
See also: hemes (heme derivatives)
Source:
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1339 (https://doi.org/10.1351/pac199567081307)