Bis(1-pyrazolyl)pyridazine was synthesized with pyrazole,3,6-dichloropyridazine, and sodium by two step,under water-free and oxygen-free conditions.是什么意思_Bis(1-pyrazolyl)pyridazine was synthesized with pyrazole,3,6-dichloropyridazine, and sodium by two step,under water-free and oxygen-free conditions.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句