883528-73-2
2-Pentenoic acid, 3-amino-, methyl ester, (2Z)-
+
71-36-3
正丁醇
→
124703-78-2
6-乙基嘧啶-4-酮
53939-83-6
6-乙基-2-thi氧代-2,3-二氢-4(1H)-嘧啶酮