1H-Benz(de)isoquinoline-2(3H)-carboxylic acid, 6-amino-1,3-dioxo-5,8-disulfo-, 2-hydrazide, dilithium salt 77944-88-8 Dilithium 6-amino-2-((hydrazinocarbonyl)amino)-2, 3-dihydro-1,3-dioxo-1H-benz(de)isoquinoline-5,8-disulfonate Lucifer yellow