137820-87-2 1,3-Dimethyl-Cyclobutane-1,2,3,4-Tetracarboxylic Dianhydride 1,3-Dimethyl-Cyclobutane-1,2,3,4-Tetracarboxylic Dianhydride

Synonyms： Cyclobuta[1,2-c:3,4-c']difuran-1,3,4,6-tetrone, tetrahydro-3a,6a-dimethyl-; DMCBDA
CAS Number：137820-87-2
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