Proxifezon Hydrazobenzol Mofebutazon 4-Butyl-1,2-diphenyl-3,5-pyrazoli-dindion 4-Methyl-1-phenyl-3-pyrazolidon 1-Phenyl-3-pyrazolidon α,α-Dimethylphenethylpropionat α,α-Dimethylphenethylacetat