2-Mercapto-5-methoxyimidazol(4,5-b)pyridine5-Methoxy-3H-imidazo[4,5-b]pyridine-2-thiol2-Mercapto-5-methoxy-3H-imidazo[4,5-b]pyridine2-Mercapto-5-methoxyimidazole[4,5-b]pyridine2-Mercapto-5-methoxy-3H-imidazo[4,5-b]pyridine1,3-Dihydro-5-methoxy-2H-imidazo[4,5-b]pyridine-2-thione2-巯基-5-甲氧-3H-咪唑[4,5-±]吡啶5-Methoxy-2H-imidazo[4,5-b]pyridine-2-thione