久久色亚洲,国产精品69一区二区三区,天堂四月婷婷,免费观看黄色av,公侵犯一区二区三区四区中文字幕,亚洲精品aaaa精品,黄色美女免费网站

Product: Pharmaceutical intermediate APIs Ultraviolet light absorber Pesticide
Product

    4,4'-Dimethoxybenzophenone

    Name: 4,4'-Dimethoxybenzophenone
    English name: 4,4'-Dimethoxybenzophenone
    CAS NO: 90-96-0
    Molecular weight: 242.2699
    EC NO: 202-028-0
    Molecular formula: C15H14O3
    Structural formula:

< Return >