DPR01: Dipyridamole

2,2',2?,2'''-[[4,8-di(piperidin-1-yl)pyrimido[5,4-d]pyrimidine-2,6-diyl]dinitrilo]tetraethanol
[ CAS # 58-32-2 ]

DPR02: Dipyridamole EP Impurity A

CAS Name: 2,2'-[[4,6,8-tri(piperidin-1-yl)-pyrimido[5,4-d]pyrimidin-2-yl]nitrilo]diethanol
[ CAS # 16982-40-4 ]

DPR03: Dipyridamole EP Impurity B

CAS Name: 2,2',2",2''',2'''',2'''''-[[8-(Piperidin-1-yl)-pyrimido[5,4-d]pyrimidine-2,4,6-triyl]trinitrilo]hexaethanol
[ CAS # 16908-47-7 ]

DPR04: Dipyridamole EP Impurity C

CAS Name: 2,2'-[[2-chloro-4,8-di(piperidin-1-yl)-pyrimido[5,4-d]pyrimidin-6-yl]nitrilo]diethanol
[ CAS # 54093-92-4 ]

DPR05: Dipyridamole EP Impurity D

CAS Name: 2,2'-[[2-(2-Hydroxyethyl)amino-4,8-di(piperidin-1-yl)-pyrimido[5,4-d]pyrimidin-6-yl]nitrilo]diethanol

DPR06: Dipyridamole EP Impurity E

CAS Name: 2,4-Di[di(2-hydroxyethyl)amino]-6,8-di(piperidin-1-yl)-pyrimido[5,4-d]pyrimidine

DPR07: Dipyridamole EP Impurity F

CAS Name: 4,6-Di[di(2-hydroxyethyl)amino]-2-(2-hydroxyethyl)amino-8-(piperidin-1-yl)-pyrimido[5,4-d]pyrimidine

DPR08: Dipyridamole EP Impurity G

CAS Name: 2,6-Dichloro-4,8-di(piperidin-1-yl)-pyrimido[5,4-d]pyrimidine

DPR09: Dipyridamole Tetrachloro Impurity

CAS Name: 2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

DPR10: Dipyridamole Trichloro Impurity

CAS Name: 2,4,6-Trichloro-8-(piperidin-1-yl)-pyrimido[5,4-d]pyrimidine

DPR11: Dipyridamole Dichloro Impurity

CAS Name: 2,6-Dichloro-4-di(2-hydroxyethyl)amino-8-(piperidin-1-yl)-pyrimido[5,4-d]pyrimidine