英文别名{1-[2-Oxo-2-({4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}amino)ethyl]cyclopentyl}acetic acid hydrochloride (1:1); Cyclopentaneacetic acid, 1-[2-oxo-2-[[4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl]amino]ethyl]-, hydrochloride (1:1); Buspirone EP Impurity E; Buspirone Impurity 5(Buspirone EP Impurity E); Buspirone EP Imp E; Buspirone EP Impurity E/ Buspirone Open Ring Impurity; Buspirone Open Ring Impurity