1,3-Bis(dimethylamino)propaneN1,N1,N3,N3-Tetramethylpropane-1,3-diamineN,N,N',N'-Tetramethylpropane-1,3-diamine 98%N,N,N',N'-四甲基-1,3-丙二胺N,N,N′,N′-四甲基-1,3-丙二胺四甲基丙二胺N,N,N',N'-Tetramethyl-1,3-propanediamineTMPDAN,N,N′,N′-Tetramethyl-1,3-propanediamineN,N,N',N'-TETRAMETHYL-1,3-PROPANEDIAMINE