1-(Methyl-d3)-4-(2,3,4-trimethoxybenzyl)piperazine

1-(Methyl-d3)-4-(2,3,4-trimethoxybenzyl)piperazine is the deuterium labeled 1-methyl-4-(2,3,4-trimethoxybenzyl)piperazine dihydrochloride (Trimetazidine Impurity） (HY-Z3053).