(2008/06/13)
1-(4-acetoxy-phenyl)-4-butyl-2-phenyl-pyrazolidine-3,5-dione
diethyl butylmalonate
4-acetoxo-azobenzene
2-n-butylmalonyl dichloride
N-(4-acetoxy-phenyl)-N'-phenyl-hydrazine
4,4'-dibutyl-2,2'-diphenyl-1,1'-(4,4'-heptanedioyldioxy-diphenyl)-bis-pyrazolidine-3,5-dione
4-Butyl-1-(4-hydroxy-3-nitroso-phenyl)-2-phenyl-pyrazolidine-3,5-dione
4-Hydroxy-oxyphenbutazon
Octadecanoic acid 4-(4-butyl-3,5-dioxo-2-phenyl-pyrazolidin-1-yl)-phenyl ester
Propionic acid 4-(4-butyl-3,5-dioxo-2-phenyl-pyrazolidin-1-yl)-phenyl ester