1,1-dimethyl-4-phenylpiperazin-1-ium 1,1-dimethyl-4-phenyl-piperazin-1-ium 114-28-3 NCGC00163236-01 Lopac-D-5891 NCGC00015356-01 Lopac0_000400 1,1-Dimethyl-4-phenylpiperazinium Dimethylphenylpiperazinium Piperazinium, 1,1-dimethyl-4-phenyl-