SEARCH Articles Figures Tables 3-Methyl-5-phenyl-tetrazole 1 -oxide 3-Phenyl- -1-oxid Methyl 3-oxid Methyl oxide Methyl structure Methyl, oxidation Oxides, structure Phenyl oxide Phenyl tetrazole Tetrazole structure Tetrazole-1-oxides Tetrazoles methylation Tetrazoles, structure