2,3-Bis(p-methoxystyryl)quinoxaline 2,3-Di-(p,p'-dimethoxystyryl)quinoxaline 5422-12-8 NSC8602 Quinoxaline, 2,3-bis(p-methoxystyryl)- Quinoxaline, 2,3-bis[2-(4-methoxyphenyl)ethenyl]-