52133-67-2
2-氰基-4,4-二乙氧基丁酸乙酯
+
57-13-6
尿素
→
~38%
102879-75-4
6-amino-5-(2,2-diethoxyethyl)-1H-pyrimidine-2,4-dione
39929-79-8
2,4-二羟基吡咯[2,3-d]嘧啶