SEARCH Articles Figures Tables 2- Methyl-5- thiophenes 3- thiophene, synthesis 3-Methyl-2- thiophene, synthesis Methyl rings Ring methylation Ring synthesis 2-methyl Thiophene 2- methyl-5-phenyl-, ring synthesis Thiophene 2-ethyl-5-methyl-, ring synthesis Thiophene methylation Thiophene ring synthesis Thiophene rings Thiophenes methylation Thiophenes, synthesis