1H-1,2,3-三唑并[4,5-b]吡啶

7-Chloropyrido[2,3-b]pyrazine

6-氯-2-(5-硝基噻吩-2-基)-1H-咪唑并[4,5-b]吡啶

1H-1,2,3-噻唑并[4,5-b]吡啶, 6-氯-