Synonyms: (4R,5S)-(-)-1,5-DIMETHYL-4-PHENYL-2-IMIDAZOLIDINONE;(4R 5S)-1 5-DIMETHYL-4-PHENYL-2-IMIDAZOLIDONE;(4R,5S)-1,5-DIMETHYL-4-PHENYLIMIDAZOLIDINONE;1,5-dimethyl-4-phenyl-2-imidazolidine;(4R)-4α-Phenyl-1,5α-dimethylimidazolidine-2-one;(4R,5S)-1,5-Dimethyl-4-phenylimidazolidine-2-one;[4R,5S,(-)]-1,5-Dimethyl-4-phenylimidazolidin-2-one