1,3-Dihydro-1,4-dimethyl-5-phenyl-2H-imidazol-2-one 1,4-DIMETHYL-5-PHENYL-2-IMIDAZOLONE 1,4-Dimethyl-5-phenyl-2-imidazolinone 22199-48-0 Gpa 1851 Gpa-1851