SEARCH Articles Figures Tables 2- -3-methylquinoxaline 1,4-dioxide 2- Bromo-3-methylquinoxaline 1,4-dioxide 2- Methylquinoxalines 2-bromo-10,10-dichloro 6.7- Dichloro-2- methylquinoxaline 6.7- Dichloro-2- methylquinoxaline 1,4-dioxide