4-chloro-1-(4-methoxybenzyl)-1H-pyrazolo[3,4-b]pyridine

1H-pyrazolo[3,4-b]pyridine 7N-oxide m-chlorobenzoate

1H-吡唑并[3,4-b]吡啶-4-醇

1-Benzyl-4,7-dihydro-4-oxo-pyrazolo[3,4-b]pyridin

1-Benzyl-5-(2,2-bis-ethoxycarbonyl-vinyl-amino)pyrazol