(2,6'-:2',6''-Terbenzothiazole)-7-sulfonic acid, 2''-(4-aminophenyl)-6-methyl-, monosodium salt, mixture with 2'-(4-aminophenyl)-6-methyl(2,6'-benzothiazole)-7-sulfonic acid, monosodium salt (2,6':2',6''-Terbenzothiazole)-7-sulfonic acid, 2''-(4-aminophenyl)-6-methyl-, monosodium salt, mixt. with 2'-(4-aminophenyl)-6-methyl(2,6-bibenzothiazole)-7-sulfonic acid monosodium salt 8064-60-6 C.I. 49000 C.I. Direct Yellow 7, sodium salt Direct Yellow 59 NSC 72275 Primuline Primuline, sodium salt Primulinesulfonic acid Thioflavine S