英文名称
acetonitrile;N-(2,2-dihydroxyethyl)-6,7-dimethyl-2,3-dioxo-1,4-dihydroquinoxaline-5-carboxamide;2,3-dimethoxy-6,7-dimethylquinoxaline-5-carbonyl chloride;methyl 2-[(2,3-dimethoxy-6,7-dimethylquinoxaline-5-carbonyl)amino]acetate;methyl propanoate