108-44-1
3-甲基苯胺
→
50593-19-6
ethyl 4-chloro-7-methylquinoline-3-carboxylate
87-13-8
乙氧基甲叉丙二酸二乙酯
19056-83-8
丙二酸, [[(3-甲基苯基)氨基]亚甲基]-, 二乙基酯
41460-18-8
ethyl 7-methyl-4-oxo-1H-quinoline-3-carboxylate