623-76-7
1,3-二乙基脲
→
~47%
15909-81-6
N,N'-diethyl-1-λ1-selanylmethanimidamide
506-80-9
二硒化碳
+
75-04-7
乙胺
693-29-8
105-55-5
1,3-二乙基硫脲