英文同义词: | (E)-1,3-diethyl-8-(4-hydroxy-3-methoxystyryl)-7-methyl-1H-purine-2,6(3H,7H)-dione;4-DesMethyl Istradefylline impurity;Istradefylline Impurity 14;1H-Purine-2,6-dione, 1,3-diethyl-3,7-dihydro-8-[2-(4-hydroxy-3-methoxyphenyl)ethenyl]-7-methyl-, (E)- (9CI);Istradefylline 4-O-Desmethyl Impurity;Istradefylline M1 metabolite;Itraphylline impurities869;Itraphylline impurities6 |