2,6-Bis(diethanolamino)-4-piperidinopyrimido(5,4-d)pyrimidine, MOPIDAMOL, 2,2',2'',2'''-(4-piperidin-1-yl-pyrimido[5,4-d]pyrimidine-2,6-diylbisazanediyl)-tetrakis-ethanol, 2,2',2",2'''-<(4-piperidinopyrimido<5,4-d>pyrimidine-2,6-diyl)dinitrilo>-tetraethanol, dipyridamole (persantin), Compound RA-233, Mopidamolum [INN-Latin], RA 233, EINECS 237-145-6, 2,6-Bis(diaethanolamino)-8-piperidino-pyrimido<5,4-d>pyrimidin, Rapenton, R-A 233-BS, Ethanol,2,2',2'',2'''-((4-(1-piperidinyl)pyrimido(5,4-d)pyrimidine-2,6-diyl)dinitrilo)tetrakis