123489-67-8 4,4'-Bis(2,3,5,6-tetrahydro-1,4-oxazin-4-ylacetyl)biphenyl dimethiobromide Morpholinium, 4,4'-((1,1'-biphenyl)-4,4'-diylbis(2-oxo-2,1-ethanediyl))bis(4-methyl-, dibromide