英文别名8-{4-[1-Oxido-4-(2-pyrimidinyl)-1-piperazinyl]butyl}-8-azaspiro[4.5]decane-7,9-dione; Buspirone Impurity 15; buspirone n-oxide; 8-[4-(1-oxido-4-pyrimidin-2-ylpiperazin-1-ium-1-yl)butyl]-8-azaspiro[4.5]decane-7,9-dione; 8-(4-(1-Oxido-4-(2-pyrimidinyl)-1-piperazinyl)butyl)-8-azaspiro(4.5)decane-7,9-dione; 8-Azaspiro(4.5)decane-7,9-dione, 8-(4-(1-oxido-4-(2-pyrimidinyl)-1-piperazinyl)butyl)-; 8-[4-[1-Oxido-4-(2-pyrimidinyl)-1-piperazinyl]butyl]-8-azaspiro[4.5]decane-7,9-dione; 1-(4-(7,9-dioxo-8-azaspiro[4.5]decan-8-yl)butyl)-4-(pyrimidin-2-yl)piperazine 1-oxide 
