(3-AMINOOXALYL-1-BENZYL-2-ETHYL-1H-INDOL-4-YLOXY)-ACETIC ACID METHYL ESTER

4,4′-二甲氧基苯偶酰

水杨酸

辛酰氯

2-(4-chlorophenyl)-1,3-thiazole-4,5-dione