2-Naphthalenecarboxylic acid, 4-((2-chloro-5-(trifluoromethyl)phenyl)azo)-3-hydroxy- 4-((2-Chloro-5-(trifluoromethyl)phenyl)azo)-3-hydroxy-2-naphthalenecarboxylic acid 4-((2-Chloro-5-(trifluoromethyl)phenyl)azo)-3-hydroxy-2-naphthoic acid 52238-94-5 EINECS 257-777-6 NSC 339616