185299-40-5 209416-66-0 2850-75-1 598-62-9 CCRIS 3660 Carbonic acid, manganese(2+) salt (1:1) EINECS 209-942-9 HSDB 790 MANGANESE CARBONATE Manganese carbonate (1:1) Manganese carbonate (MnCO3) Manganese(2+) carbonate Manganese(2+) carbonate (1:1) Manganese(II) carbonate Manganous carbonate NSC 83512 Natural rhodochrosite