617-48-1
DL-苹果酸
+
95-88-5
4-氯雷琐辛
→
87893-58-1
6-chloro-7-hydroxychromen-2-one
131088-02-3
2,4-dihydroxy-5-chlorobenzaldehyde
183736-74-5
6-Chloro-7-hydroxy-2-oxo-2H-chromene-3-carboxylic acid