64196-68-5
acetic acid 4-hydroxybut-2-enyl ester
+
545-06-2
三氯乙腈
→
189162-38-7
4-(2,2,2-trichloroethanimidoyl)oxybut-2-enyl acetate
18085-02-4
3,4-双乙酸基-1丁烯
271260-81-2
4-ethenyl-2-(trichloromethyl)-4,5-dihydro-1,3-oxazole