1-Benzyl-4-(2'-pyridinecarbonyl)piperazine 1-Benzyl-4-picolinoylpiperazine 39640-15-8 Piberalina [INN-Spanish] Piberalina [Spanish] Piberaline Piberaline [INN] Piberalinum [INN-Latin] Piperazine, 1-(phenylmethyl)-4-(2-pyridinylcarbonyl)-