6-Methyl-2-(p((3-methyl-5-oxo-2-pyrazolin-4-yl)azo)phenyl)-7-benzothiazolesulfonic acid, compd. with 2,2',2''-nitrilotriethanol (1:1) 7-Benzothiazolesulfonic acid, 2-(4-((4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)azo)phenyl)-6-methyl-, compd. with 2,2',2''-nitrilotris(ethanol) (1:1) 7-Benzothiazolesulfonic acid, 6-methyl-2-(4-((3-methyl-5-oxo-2-pyrazolin-4-yl)azo)phenyl)-, compound with 2,2',2''-nitrilotris(ethanol) (1:1) 70776-28-2