75-44-5
光气
+
557-66-4
乙胺盐酸盐
→
41891-13-8
N-ethylcarbamoyl chloride
109-90-0
异氰酸乙酯
39078-37-0
S-ethyl N-ethylcarbamothioate
39076-43-2
S-methyl N-ethylcarbamothioate