N-2,3-Xylylmaleimide ,its CAS NO. is 31581-09-6,the synonyms is 1H-Pyrrole-2,5-dione, 1-(2,3-dimethylphenyl)- ; N-(2,3-Dimethylphenyl)maleimide ; Maleimide, N-2,3-xylyl- .