Synonyms: | 1H-Purine-2,6-dione, 3,7-dihydro-1,3-diethyl-8-(2-(3-hydroxy-4-methoxy phenyl)ethenyl)-7-methyl-, (E)-;3-Desmethyl Istradefylline;1,3-Diethyl-8-[(E)-2-(3-hydroxy-4-methoxyphenyl)vinyl]-7-methyl-3 ,7-dihydro-1H-purine-2,6-dione;Istradefylline Impurity 13;1H-Purine-2,6-dione, 1,3-diethyl-3,7-dihydro-8-[2-(3-hydroxy-4-methoxyphenyl)ethenyl]-7-methyl-, (E)- (9CI);2-Desmethyl Istradefylline |