(2-Oxo-4-morpholino)butyltriphenylphosphonium (2-Oxo-4-morpholinobutyl)triphenylphosphonium bromide hydrobromide (4-Morpholino-2-oxobutyl)triphenylphosphonium bromide hydrobromide 64502-92-7 Ombtp Phosphonium, (4-(4-morpholinyl)-2-oxobutyl)triphenyl-, bromide, hydrobromide Phosphonium, (4-morpholino-2-oxobutyl)triphenyl-, bromide, hydrobromide