1-Propanone, 2-methyl-3-(2-methyl-2,3-diphenyl-4-morpholinyl)-1-phenyl- 117278-53-2 2-Methyl-2,3-phenyl-3-methyltetrahydroxazine propiophenone 2-Methyl-3-(2-methyl-2,3-diphenyl-4-morpholinyl)-1-phenyl-1-propanone Mpmth-PR