24424-99-5
二碳酸二叔丁酯
+
50-01-1
盐酸胍
→
~98%
219511-71-4
Boc-胍
124-46-9
carbonic acid,guanidine
~89%
123-91-1
1,4-二氧六环
~59%
332882-82-3
N,N'-bis(tert-butyloxycarbonyl)guanidine