Synonyms: Nickelate(4-),[(3aS,4S,8S,9S,14S,16R,19S,20S,21S,22aR,25S)-19-(2-amino-2-oxoethyl)-8,25-bis(carboxymethyl)-2,3,3a,4,8,9,11,12,13,14,16,17,19,20,21,22-hexadecahydro-3a,19-dimethyl-2,11-dioxo-1H-7,10-imino-14,16-methano-21,18:22a,5-dinitrilopyrrolo[2,3-i][1]benzazacyclononadecine-4,9,20-tripropanoato(6-)-kN15,kN23,kN24,kN26]-, pentahydrogen, (SP-4-2)-(9CI); Nickelate(4-),[19-(2-amino-2-oxoethyl)-8,25-bis(carboxymethyl)-2,3,3a,4,8,9,11,12,13,14,16,17,19,20,21,22-hexadecahydro-3a,19-dimethyl-2,11-dioxo-1H-7,10-imino-14,16-methano-21,18:22a,5-dinitrilopyrrolo[2,3-i][1]benzazacyclononadecine-4,9,20-tripropanoato(6-)-kN15,kN23,kN24,kN26]-, pentahydrogen,[SP-4-2-[3aS-(3aR*,4R*,8R*,9R*,14R*,16S*,19R*,20R*,21R*,22aS*,25R*)]]-;1H-7,10-Imino-14,16-methano-21,18:22a,5-dinitrilopyrrolo[2,3-i][1]benzazacyclononadecine,nickelate(4-) deriv.;1H-7,10-Imino-14,16-methano-21,18:22a,5-dinitrilopyrrolo[2,3-i][1]benzazacyclononadecine-4,9,20-tripropanoicacid,19-(2-amino-2-oxoethyl)-8,25-bis(carboxymethyl)-2,3