1-Methylpiperazine

1-methylpiperazine; Cyclizine USP Related Compound A; Pirenzepine dihydrochloride monohydrate - Impurity D (EP/BP); Cyclizine Hydrochloride Impurity A (EP/BP); 1-Methyl-1,4-piperazine; N-Methylpiperazine; Piperazine, 1-methyl-; Cyclizine Hydrochloride;  Clozapine Impurity 7