4,4-Dimethyl-1-phenyl-3-pyrazolidone, 4,4-Dimethylphenidone, EINECS 220-181-1, 1-Phenyl-4,4-dimethyl-3-pyrazolidon, 4,4-dimethyl-1-phenyl-3-pyrazolidinone, 1-Phenyl-4,4-dimethyl-3-pyrazolidinon, 3-Pyrazolidinone,4,4-dimethyl-1-phenyl, 4,4-dimethyl-1-phenyl-pyrazolidin-3-one, 3-Pyrazolidinone, 4,4-dimethyl-1-phenyl-, Dimezone