875781-17-2
5-溴-1H-吡唑并[3,4-b]吡啶
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1207351-15-2
5-ethynyl-1H-pyrazolo[3,4-b]pyridine
1207351-08-3
5-trimethylsilanylethynyl-1H-pyrazolo[3,4-b]pyridine