 NDL India: Synthesize 2-methylpyrazine using aqueous glycerol and ethylenediamine over zinc oxidezinc chromite catalysts: Structureactivity relationshipSynthesize 2-methylpyrazine using aqueous glycerol and ethylenediamine over zinc oxidezinc chromite catalysts: Structureactivity relationship Synthesize 2-methylpyrazine using aqueous glycerol and ethylenediamine over zinc oxidezinc chromite catalysts: Structureactivity relationshipAuthor Venugopal, Akula Reema, Sarkari Anjaneyulu, Chatla Krishna, Vankudoth Kotesh Kumar, Mandari 