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D. A. S. A/ F. C. ACID (DYES INTERMEDIATES) ANILINE 2:5 DISULFONIC ACID, D.A.C.A. E.C. ACID D. A. S. A/ F. C. ACID (DYES INTERMEDIATES) ANILINE 2:5 DISULFONIC ACID, D.A.C.A. E.C. ACID