1-Benzylpiperazine 10510-56-2 106133-22-6 2759-28-6 4-Benzylpiperazine 5321-63-1 AI3-52573 Benzylpiperazine EINECS 220-423-6 N-benzylpiperazine NSC 40889 Piperazine, 1-(phenylmethyl)- Piperazine, 1-benzyl- (8CI)