1-Amino-2-tert-butylphenylmercapto-4-hydroxyanthraquinone 31571-94-5 ANTHRAQUINONE, 1-AMINO-2-(tert-BUTYLPHENYL)THIO-4-HYDROXY- Anthraquinone, 1-amino-4-hydroxy-2-(tert-butylphenyl)thio-