Dipyridamole Tartaric Acid Ester Ammonium Salt 

Chemical Name: rel-(2R,3R)-4-(2-((6-(Bis(2-hydroxyethyl)amino)-4,8-di(piperidin-1-yl)pyrimido[5,4-d]pyrimidin-2-yl)(2-hydroxyethyl)amino)ethoxy)-2,3-dihydroxy-4-oxobutanoic Acid

Smile: OCCN(CCOC([C@H](O)[C@@H](O)C([O-])=O)=O)C1=NC2=C(N3CCCCC3)N=C(N(CCO)CCO)N=C2C(N4CCCCC4)=N1.[NH4+]