2-Naphthalenesulfonic acid, 6-hydroxy-5-((4-methyl-2-sulfophenyl)azo)-, calcium salt (1:1) 2-Naphthalenesulfonic acid, 6-hydroxy-5-((4-methyl-2-sulfophenyl)azo)-, calcium salt (1:1) 7-Benzothiazolesulfonic acid, 2-(4-((2-(cyanoimino)hexahydro-4,6-dioxo-5-pyrimidinyl)azo)phenyl)-6-methyl-, compd. with 2,2',2''-nitrilotris(ethanol) (1:1) 96293-51-5