Warning: file_put_contents(/www/wwwroot/ppbbbu/202081.com/cache/34266075d61aba43e529d45a4120a388.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/202081.com/index.php on line 55 Genant是什么意思，Genant的翻译，Genant音标、读音、用法和例句_2020年的事情英文词典
pyridine dicarboxylic acid was prepared by using 2,6 dim ethylpyridine as material and potassium permanganate as oxy genant. 以2，6-二甲基吡啶为原料，通过高锰酸钾氧化合成了吡啶-2，6二甲酸。