674-82-8
双乙烯酮
+
104-12-1
对氯苯异氰酸酯
→
~66%
30645-78-4
3-(4-chlorophenyl)-6-methyl-1,3-oxazine-2,4-dione
5394-63-8
2,2,6-三甲基-4H-1,3-二英-4-酮