1-(1-Methylethyl)piperazine 1-Isopropylpiperazine 4318-42-7 5-23-01-00142 (Beilstein Handbook Reference) BRN 0103377 EINECS 224-345-3 Isopropyl piperazine N-Isopropylpiperazine Piperazine, 1-(1-methylethyl)- (9CI) Piperazine, 1-isopropyl-