4-Capryl-3-methyl-1-phenyl-5(4H)-pyrazolone

1-Phenyl-3-methyl-4-decanoyl-5(4H)-pyrazolone

4-Decanoyl-3-methyl-1-phenyl-2-pyrazolin-5-one

1-Phenyl-3-methyl-4-(1-oxodecyl)-1H-pyrazole-5(4H)-one

2,4-Dihydro-5-methyl-4-(1-oxodecyl)-2-phenyl-3H-pyrazol-3-one