Dipyridamole EP Impurity A

2-[(2-hydroxyethyl)[tris(piperidin-1- yl)pyrimido[5,4-d][1,3]diazin-2-yl]amino]ethan-1- ol.|2,2?-[[4,6,8-Tri(piperidin-1-yl) pyrimido [5,4-d] pyrimidin-2-yl]nitrilo]diethanol|2,2'-[(4,6,8-Tri-1-piperidinylpyrimido[5,4-d]pyrimidin-2-yl)imino]bisethanol|2,2'-[[4,6,8-tri(piperidin-1-yl)pyrimido[5, 4-d]pyrimidin-2-yl]nitrilo]diethanol;|2,2′-[[4,6,8-Tri(piperidin-1-yl) pyrimido [5,4-d] pyrimidin-2-yl]nitrilo]diethanol ;|2,4,8-Tripiperidino-6-diethanolaminopyrimido[5,4-d]pyrimidine;|AWD 568; RA 134;|Dipyridamole EP Impurity A ;|Dipyridamole USP RC A ;