Synonyms: 2,22照,2照[(4,8-Dipiperidinopyrimido[5,4-d]pyrimidine-2,6-diyl)dinitrilo]tetra-ethanol Di-b-D-glucuronide;Dipyridamole Di-O-b-D-glucuronide;2,2’,2’’,2’’’-[(4,8-Dipiperidinopyrimido[5,4-d]pyrimidine-2,6-diyl)dinitrilo]tetra-ethanol Di--D-glucuronide;Dipyridamole Di-O--D-glucuronide