title: [Studies on the syntheses of sulfur containing pyrimido [5,4-d]pyrimidine derivatives. IV. The mechanism of dipyridamole formation from 4,8-dipiperidino-pyrimido [5,4-d]pyrimidine-2,6-disulfonyl dichloride and diethanolamine].
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D004176:Dipyridamole / Q000138:chemical synthesis*; D004983:Ethanolamines
chemical_list: D004983:Ethanolamines; D004176:Dipyridamole