英文别名
6-Carbethoxy-5(H)-oxo-2-phenyl-1,3,4-oxadiazolo<4,5-a>pyrimidine;2-phenyl-6-carboethoxy-1,3,4-oxadiazolo[2,3-b]pyrimidin-5-one;5-oxo-2-phenyl-5H-[1,3,4]oxadiazolo[3,2-a]pyrimidine-6-carboxylic acid ethyl ester;Ethyl 5-oxo-2-phenyl-[1,3,4]oxadiazolo[3,2-a]pyrimidine-6-carboxylate