2-Piperazinone, 4-methyl-; 4-N-methylpiperazin-2-one; 4-methyl-piperazinone; 1-METHYL-3-OXOPIPERAZINE; 4-Methyl-piperazin-2-on; Piperazinone,4-methyl; 4-methyl-piperazin-2-one; 4-methyl-2-oxo-piperazine; 4-Methyl-2-piperazinone; 2-Piperazinone,4-methyl; Piperazinone, 4-methyl-; 1-Methylpiperazin-3-one; 4-Methylpiperazin-2-one; N-Methylpiperazinone; 1-Methyl-3-Oxopiperazine
2-8°C