diethyl 3-methyl-5-(p-xylylmethyl)pyrrole-2,4-dicarboxylate

2,5-二甲基苯乙酮

2,5-二甲基苯磺酰氯

1,4-二碘-2,5-二甲苯

1,1-dimethylethyl-1-(4-methylphenyl)methyl peroxide