亚洲xxx视频_av激情小说_av不卡国产在线观看_我要看日本黄色小视频_一个人看的片免费高清www_一区网站在线观看

    It is mainly used in pharmaceutical industry, organic synthesis as catalyst, chemical reagents, catalyst for edible oil treatment, etc. Sodium methoxide is widely used in the production of sulfonamides, it is also a kind of organic synthesis catalyst, used in the production of pesticides and oil processing industry.