1,3-BUTANEDIONE, 2-((p-CHLOROPHENYL)AZO)-1-PHENYL- 1,3-Butanedione, 2-((4-chlorophenyl)azo)-1-phenyl- 2-((p-Chlorophenyl)azo)-1-phenyl-1,3-butanedione 3701-24-4 4-Chlor-phenyl-azo-benzoyl-aceton [German] BRN 0665973 F 2312