丁螺环酮EP杂质F
QY-DLHT-F
(1-{[4-(4-Pyrimidin-2-yl-piperazin-1-yl)-butylcarbamoyl]-methyl}-cyclopentyl)-acetic acid 4-(4-pyrimidin-2-yl-piperazin-1-yl)-butyl ester