SEARCH Articles Figures Tables 1 - benzyl - 5 - formyl - 2 - methyl 2- formyl-3-thienyl methyl 2- methoxy carbonyl- 1-methyl-, formylation 2-Formyl-l-methyl 3-Formyl-3-methyl-2- -2,3-dihydro 3-Methyl-2 -quinoxalinone formylation 5-Formyl-4-methyl-2-phenyl Aldehydes (s. a. Formyl hydrocarbons (methyl groups Dichloromethyl methyl ether formylation with Ethyl 1 - butyl - 4 - formyl - 2 - methyl Ethyl 4-formyl-2-methyl Methyl 2 -formyl-2-diphenylcarboxylate Methyl formyl acetate Pyrrole 5-formyl-2-methyl-, ethyl ester