104892-32-2
1-carbethoxymethyl-1-(n-butyl)urea
→
~85%
33599-32-5
1-N-丁基乙内酰脲
3182-83-0
ethyl 2-(butylamino)acetate
~68%
461-72-3
海因
+
542-69-8
碘丁烷
590-28-3
氰酸钾