Synonyms: Zincate(2-),[7,12-bis(1,2-dihydroxyethyl)-3,8,13,17-tetramethyl-21H,23H-porphine-2,18-dipropanoato(4-)-N21,N22,N23,N24]-,dihydrogen, (SP-4-2)-; 21H,23H-Porphine-2,18-dipropanoic acid,7,12-bis(1,2-dihydroxyethyl)-3,8,13,17-tetramethyl-, zinc complex