1-((4-Methyl-1-piperazinyl)acetyl)-2,2,6,6-tetramethylpiperidine 5-23-02-00279 (Beilstein Handbook Reference) 53778-91-9 BRN 0796939 Piperidine, 1-((4-methyl-1-piperazinyl)acetyl)-2,2,6,6-tetramethyl-