Pyrazolidinone

3-Pyrazolidinone, 1-[3-(4-chlorophenyl)-1-oxo-2-propenyl]-5-phenyl-

3-Pyrazolidinone, 5,5-dimethyl-1-phenyl-

3-Pyrazolidinone, 4,4-bis(hydroxymethyl)-1-phenyl-