The molecule is heptaanionic form of precorrin-2. It has a role as a Saccharomyces cerevisiae metabolite. It is a conjugate base of a precorrin-2.
3-[(1Z,2S,3S,4Z,7S,8S,9Z)-7,13,17-tris(2-carboxylatoethyl)-3,8,12,18-tetrakis(carboxylatomethyl)-3,8-dimethyl-2,7,15,21,23,24-hexahydroporphyrin-21-ium-2-yl]propanoate