1,3-BUTANEDIONE, 1-PHENYL-2-(m-TOLYLAZO)- 1,3-Butanedione, 2-((3-methylphenyl)azo)-1-phenyl- 1-Phenyl-2-(m-tolylazo)-1,3-butanedione 3-Tolyl-azo-benzoyl-aceton [German] 3701-22-2 BRN 0918743 F 2309