97免费人妻在线视频_九九精品国产99日_激情综合网五月天.欧美_亚洲欧美日韩电影在线专区

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 >