found: Work cat.: Pratt, J.M. Inorganic chemistry of vitamin B12, 1972:p. 4 (It soon became clear that B12 was only one of a family of closely-related compounds (corrinoids) occurring in nature ... )
found: Harper's illustrated biochemistry, 2003:p. 491 (The term vitamin B12 is used as a generic descriptor for the cobalamins those corrinoids (cobalt containing compounds possessing the corrin ring) having the biologic activity of the vitamin)
found: Kingzett's chemical encyclopedia, 1966:p. 263 (Corrin: A name given to the nucleus or basic structure found in compounds in the vitamin B12 field. The generic name for compounds of this series containing the corrin nucleus is corrinoids)
found: LC database, Jun. 19, 2006(hdg.: Corrinoids)
found: MESH browser, Jun. 19, 2006(Corrinoids. Scope note: Cyclic TETRAPYRROLES based on the corrin skeleton)
