2-((4-(((2-Chlorobenzyl))ethylamino)-o-tolyl)azo)benzothiazole-6-sulphonic acid 2-((4-((2-Chlorobenzyl)ethylamino)-2-methylphenyl)azo)-6-benzothiazolesulfonic acid 6-Benzothiazolesulfonic acid, 2-((4-(((2-chlorophenyl)methyl)ethylamino)-2-methylphenyl)azo)- 65072-41-5 EINECS 265-371-5