497-18-7
碳酰肼
+
57-13-6
尿素
→
4468-90-0
1,3-bis(carbamoylamino)urea
4381-07-1
1-amino-3-(carbamoylamino)urea
590-28-3
氰酸钾
21531-96-4
4-氨基-(4H)-1,2,4-噻唑-3,5-二醇