英文别名5,6-Diamino-1,3-diethyluracil Hydrochloride; 5,6-Diamino-1,3-diethyl-2,4(1H,3H)-pyrimidinedione hydrochloride (1:1); 2,4(1H,3H)-Pyrimidinedione, 5,6-diamino-1,3-diethyl-, hydrochloride (1:1); 5,6-diamino-1,3-diethylpyrimidine-2,4-dione;hydrochloride; 5,6-DIAMINO-1,3-DIETHYLURACIL HCL; 5,6-diamino-1,3-diethyl-2,4(1H,3H)-pyrimidinedione hydrochloride; 5,6-diamino-1,3-diethyl-1,2,3,4-tetrahydropyrimidine-2,4-dione hydrochloride; Istradefylline Impurity 5 HCl; Istradefylline Impurity 20 
