SEARCH Articles Figures Tables 1.2- Diamines pyrazines, 2-amino 2-Amino-3- pyrazine Subject 2-Amino-3- pyrazine hydrolysis 2-Amino-3- pyrazine with guanidine 2-Amino-3-benzyloxycarbonyl-5- pyrazine 2-Amino-3-carbamoyl-5 pyrazine 2-Amino-3-cyano-5- pyrazine 2-Amino-3-cyano-5- pyrazine 1-oxide 2-Amino-5-chloro-3- pyrazine 2-Amino-5-chloro-3-methoxycarbonyl-6 pyrazine 3- Amino-2,5-dimethoxy pyrazine 3- Amino-5-methyl-2- pyrazine 6-Amino-3-methylpyrido pyrazine A-Amino ketones steroid-pyrazine dimers via Amino hydroxy pyrazines, chlorination Amino-pyrazines, basicity NITRO-, AMINO-, AND RELATED PYRAZINES Pyrazine ring, amino Pyrazine, 2-amino-3-benzoyl Pyrazines, amino Pyrazolo pyrazines, 3-amino Steroid-pyrazine via a-amino ketones