diethyl (Z)-2-((ethoxyimino)methyl)malonate

二乙基2-[[(2-硝基苯基)氨基]亚甲基]丙二酸酯

乙醇

ethyl 5-oxo-3-phenyl-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate

ethyl 3-methyl-4-oxo-2-sulfanylidene-1H-pyrimidine-5-carboxylate