590-28-3
氰酸钾
+
56-12-2
γ-氨基丁酸
→
~89%
2609-10-1
4-脲基丁酸
57-13-6
尿素
~29%
13026-95-4
60285-30-5
4-[[3-carboxypropyl(nitroso)carbamoyl]amino]butanoic acid