20940-42-5
1-(3-chlorophenyl)-3-methylurea
+
298-12-4
乙醛酸
→
38655-58-2
3-(3-chlorophenyl)-5-hydroxy-1-methylimidazolidine-2,4-dione
34065-97-9
1-(3-chlorophenyl)-5-hydroxy-3-methylimidazolidine-2,4-dione