Synonyms: Risperidone-d4; 1020719-76-9; 3-{2-[4-(6-Fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl](~2~H_4_)ethyl}-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one; 4H-Pyrido[1,2-a]pyrimidin-4-one, 3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl-1,1,2,2-d4]-6,7,8,9-tetrahydro-2-methyl-; Risperidone-D4 solution, 100 mug/mL in methanol, ampule of 1 mL, certified reference material; Risperidone D4; CS-O-06930; Risperidone - d4; CTK8G2970; DTXSID60649398; AKOS025147391; FT-0674432; J-000613; 3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl-1,1,2,2-d4]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one; 3-[2-4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one-d4;