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RSP01: Risperidone
3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
[CAS # 106266-06-2]
RSP02: Risperidone Chloro Impurity
3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido-(1,2-a)-pyrimidin-4-one
[CAS # 63234-80-0]
RSP03: Risperidone Amine Impurity
6-Fluoro-3-(4-piperidinyl)-1,2-benzisoxazole (free base)
[CAS # 84163-77-9]
RSP03HCl: Risperidone Amine Impurity Hydrochloride
6-Fluoro-3-(4-piperidinyl)-1,2-benzisoxazole hydrochloride
[CAS # 84163-13-3]
RSP04HCl: Risperidone Benzoyl Impurity Hydrochloride
4-(2,4-Difluorobenzoyl)-piperidine hydrochloride
[CAS # 106266-04-0]
RSP05: Risperidone EP Impurity A
3-[2-[4-[(E)-(2,4-difluorophenyl)(hydroxyimino)methyl]piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
RSP06: Risperidone EP Impurity B
3-[2-[4-[(Z)-(2,4-difluorophenyl)(hydroxyimino)methyl]piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
RSP07: Risperidone EP Impurity C
(9RS)-3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl]ethyl]-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one ("9-Hydroxy Risperidone")
RSP08: Risperidone EP Impurity D
3-[2-[4-(5-fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one ("Risperidone 5-Fluoro Isomer")
RSP09: Risperidone EP Impurity E
(6RS)-3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl]ethyl]-2,6-dimethyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one ("6-Methyl Risperidone")
RSP10: Risperidone EP Impurity F
2-[2-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-3-yl]ethyl 4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidin-1-carboxylate
RSP12: Risperidone EP Impurity H
3-[2-[4-(2,4-difluorobenzoyl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
RSP13: Risperidone EP Impurity I
3-[2-[4-[4-fluoro-2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl]benzoyl]piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
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