98645-41-1
2-[3-(dimethylamino)-1-ethoxyprop-2-enylidene]propanedinitrile
→
~80%
98645-44-4
2-bromo-4-ethoxypyridine-3-carbonitrile
869802-74-4
2-chloro-3-cyano-4-hydroxypyridine
+
74-96-4
溴乙烷
98645-45-5
2-氯-4-乙氧基烟腈