1H-咪唑并[4,5-b]吡嗪

1,3-二氢-2H-咪唑并[4,5-b]吡嗪-2-酮

8,9-二甲基-2,5,7,10-四氮杂双环[4.4.0]癸-1,3,5,7,9-五烯

2-(trifluoromethyl)-1H-imidazo[4,5-b]pyrazine

[1,2,5]thiadiazolo[3,4-b]pyrazine