4,4-dimethyl-1-(4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl)piperidine-2,6-dione-D8;Gepirone-d8;4,4-Dimethyl-1-[4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl]-2,6-piperidinedione-d8;2,6-Piperidinedione, 4,4-dimethyl-1-(4-(4-(2-pyrimidinyl)-1-piperazinyl)butyl)--d8;
