67-56-1
甲醇
+
5725-77-9
7-chloro-3-phenylpyrano[3,4-e][1,3]oxazine-2,4,5-trione
→
92554-42-2
methyl 6-(2-methoxy-2-oxoethyl)-2,4-dioxo-3-phenyl-1,3-oxazine-5-carboxylate
103-71-9
异氰酸苯酯