123-62-6
丙酸酐
+
69-72-7
水杨酸
→
~99%
6328-44-5
2-propanoyloxybenzoic acid
54-21-7
水杨酸钠
79-03-8
丙酰氯
13942-91-1
2-hydroxy-N-propanoylbenzamide