SEARCH Articles Figures Tables 5-Methoxy-4-methyl Acetals methylation Acetates methylated Acetic methoxy Indol-3-acetic acid Indole acidity Indole acids Indole-3-acetate Indoles 3-acetic acid Indoles acidity Indoles, methylated Indolic acids Methoxy acetate Methoxy-indole Methyl acetals Methyl acetate