109-89-7
二乙胺
+
624-83-9
异氰酸甲酯
→
~98%
39499-81-5
1,1-diethyl-3-methylurea
13256-32-1
N,N'-二甲基亚硝基脲
~10%
22013-97-4
S-methyl N-methylcarbamothioate