57-13-6
尿素
→
29951-88-0
5-pentan-3-yl-1,3-diazinane-2,4,6-trione
67-52-7
巴比妥酸
+
96-22-0
二乙基酮
71691-56-0
Diethyl (1-ethylpropyl)malonate
61799-85-7
5-hydroxy-5-pentan-3-yl-1,3-diazinane-2,4,6-trione