70936-17-3
4-乙基-5-硝基-2-吡啶胺
→
~52%
929617-28-7
2-溴-4-乙基-5-硝基吡啶
929617-30-1
5-溴-3-甲基-1H-吡唑并[3,4-c]吡啶
929617-29-8
6-溴-4-乙基吡啶-3-胺