corrinoids (cobalamines, corphyrins, corrins, vitamin B12 compounds)
Derivatives of the corrin nucleus, which contains four reduced or partly reduced pyrrole rings joined in a macrocycle by three C01350-1.png groups and one direct carbon–carbon bond linking α positions.
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1328 (
See also:
White Book, 2nd ed., p. 272 (