8064-60-6 C.I. 49000 C.I. Direct Yellow 59 Direct Yellow 59 NSC72275 Primuline Primuline, sodium salt Primulinesulfonic acid [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