7648-98-8 Ambenonium Ambenonium Base Ambenonium [USAN] Ambenonium kation Ambenonum Benzenemethanaminium, N,N'-((1,2-dioxo-1,2-ethanediyl)bis(imino-2,1-ethanediyl))bis(2-chloro-N,N-diethyl-