2,2,3-trimethyl-5-phenylimidazolidin-4-one 4-imidazolidinone, 2,2,3-trimethyl-5-phenyl- InChI=1/C12H16N2O/c1-12(2)13-10(11(15)14(12)3)9-7-5-4-6-8-9/h4-8,10,13H,1-3H