1,3-BUTANEDIONE, 1-PHENYL-2-(p-TOLYLAZO)- 1,3-Butanedione, 1-pentyl-2-(p-tolylazo)- 1,3-Butanedione, 2-((4-methylphenyl)azo)-1-phenyl- 1-Phenyl-2-(p-tolylazo)-1,3-butanedione 4-Tolyl-azo-benzoyl-aceton [German] 4365-81-5 BRN 5050649 F 2310