Dipyridamole Dichloro Dihydroxyethyl Impurity Catalogue S330664 CAS 1449029-15-5 M.W 387.26 M.F C15H20CL2N6O2 Specifications FAQs 2,6-Dichloro-4-di(2-hydroxyethyl)amino-8-(piperidin-1-yl)-pyrimido[5,4-d]pyrimidine