118-48-9
靛红酸酐
+
5623-04-1
2-氨基-N-羟基苯甲酰胺
→
37795-71-4
3-methyl-2,3-dihydro-[1,2]oxazolo[3,2-b]quinazolin-9-one
7623-10-1
3-chloro-2-methylpropanoyl chloride