Ammonium,[4,4'-biphenylylenebis(2-oxoethylene)]bis[(2-hydroxyethyl)dimethyl- (8CI);[1,1'-Biphenyl]-4,4'-diethanaminium,N,N'-bis(2-hydroxyethyl)-N,N,N',N'-tetramethyl-b,b'-dioxo-(9CI); Secohemicholinium
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