1-(2,4,6-Trimethoxyphenacyl)-4-(3,5-dimethoxyacetanilido)-piperazine dichlorhydrate [French] 1-Piperazineacetamide, N-(3,5-dimethoxyphenyl)-4-(2-oxo-2-(2,4,6-trimethoxyphenyl)ethyl)-, dihydrochloride 66932-97-6