1-(2-Pyrimidinyl)piperazine 1-(2-Pyrimidyl)piperazine 1-PP 2-(1-Piperazinyl)pyrimidine 2-(Piperazin-1-yl)pyrimidine 20980-22-7 4-(2-Pyrimidinyl)piperazine 4-25-00-02083 (Beilstein Handbook Reference) BRN 0151178 EINECS 244-135-5 MJ 13653 N-(2-Pyrimidinyl)piperazine Pyrimidine, 2-(1-piperazinyl)-