5448-17-9
dimethyl 3,5-dimethyl-1H-pyrrole-2,4-dicarboxylate
→
79754-43-1
dimethyl 5-(dichloromethyl)-3-methyl-1H-pyrrole-2,4-dicarboxylate
+
65100-86-9
dimethyl 5-formyl-3-methyl-1H-pyrrole-2,4-dicarboxylate