501084-42-0

Methanaminium,N-[4-[[4-(dimethylamino)phenyl][4-[[4,7,10-tris[(hydroxymethylphosphinyl)methyl]-1,4,7,10-tetraazacyclododec-1-yl]methyl]phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-