108-24-7
乙酸酐
+
844647-17-2
methyl 2-amino-4,5-dichlorobenzoate
→
869550-60-7
Methyl 2-acetamido-4,5-dichlorobenzoate
77423-12-2
6,7-dichloro-1H-3,1-benzoxazine-2,4-dione
40928-13-0
4-氯靛红酸酐