5926-51-2
溴代马来酸酐
+
67-56-1
甲醇
106-99-0
1,3-丁二烯
→
~24%
101774-07-6
dimethyl 3-ethenylcyclobutene-1,2-dicarboxylate
6012-81-3
3-Vinyl-trans,trans-1,2-dichlor-cis,cis-1,2-dicarboxy-cyclobutan
14309-54-7
二甲基 1,4-环己二烯-1,2-二羧酸酯