TY - CHAP UR - https://doi.org/10.1351/goldbook.C01350 AU - International Union of Pure and Applied Chemistry (IUPAC) YR - 2019 TI - corrinoids (cobalamines, corphyrins, corrins, vitamin B12 compounds) DO - 10.1351/goldbook.C01350 WV - 3.0.1