87853-82-5
ethyl (Z)-2-cyano-3-hydroxybut-2-enoate
→
~62%
28783-57-5
ethyl 3-chloro-2-cyanobut-2-enoate
31128-07-1
ethyl 2-cyano-3-(dimethylamino)but-2-enoate
62322-01-4
ethyl 2-cyano-3,5-bis(dimethylamino)penta-2,4-dienoate