1-Methyl-4-(N-(3,4,5-trimethoxyphenyl)carbamoyl)piperazine hydrochloride 1-Piperazinecarboxamide, 4-methyl-N-(3,4,5-trimethoxyphenyl)-, monohydrochloride 4-Methyl-N-(3,4,5-trimethoxyphenyl)-1-piperazinecarboxamide monohydrochloride 68061-02-9