Dipyridamole EP Impurity F Catalogue S330656 CAS 60286-30-8 M.W 480.56 M.F C21H36N8O5 Specifications FAQs 2,6-Di[di(2-hydroxyethyl)amino]-4-(2-hydroxyethyl)amino-8-(piperidin-1-yl)-pyrimido[5,4-d]pyrimidine