Synonyms: Cobalt chlorophyllin;Cobaltate(3-), (18-carboxy-20-(carboxymethyl)-8-ethenyl-13-ethyl-2,3-dihydro-3,7,12,17-tetramethyl-21H,23H-porphine-2-propanoato(5-)-N(sup 21),N(sup 22),N(sup 23),N(sup 24))-, trihydrogen, (SP-4-2-(2S-trans))-;AC1MI59O;41751-89-7;cobalt(2+); 3-[18-(dioxidomethylidene)-8-ethenyl-13-ethyl-3,7,12,17-tetramethyl-20-(2-oxido-2-oxoethyl)-2,3-dihydroporphyrin-23-id-2-yl]propanoate; hydron