105911-78-2
1-acetyl-3-hydroxy-indoline-2-carboxylic acid ethyl ester
+
75-36-5
乙酰氯
→
100393-65-5
ethyl 1-acetylindole-2-carboxylate
105903-37-5
ethyl 1-acetyl-3-hydroxyindole-2-carboxylate