dilithium(1+) ion 8-amino-3-[(hydrazinecarbonyl)amino]-2,4-dioxo-3-azatricyclo[7.3.1.0^{5,13}]trideca-1(13),5,7,9,11-pentaene-7,11-disulfonate
dilithium(1+) ion 8-amino-3-[(hydrazinecarbonyl)amino]-2,4-dioxo-3-azatricyclo[7.3.1.05,13]trideca-1(12),5,7,9(13),10-pentaene-7,11-disulfonate
dilithium(1+) ion 8-amino-3-[(hydrazinecarbonyl)amino]-2,4-dioxo-3-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaene-7,11-disulfonate