10374-07-9
3-oxabicyclo[3.2.0]hept-6-ene-2,4-dione
→
~98%
4462-96-8
环丁烷-1,2-二甲酸酐
108-31-6
马来酸酐
+
54509-73-8
ethene
~72%
14132-45-7
dimethyl 1-cyanocyclobutane-1,2-dicarboxylate
1124-13-6
反式-环丁烷-1,2-二羧酸
2144-31-2
cyclobutane-1,1,2-tricarboxylic acid