一级a爱做片观看免费国产,丝袜一区二区三区在线观看,国产午夜精品久久久久免费视,丝袜制服国产欧美亚洲

            chinese

            english

            products

            3,5,4'-Trimethoxy stilbene

            CAS NO: 22255-22-7

            Structure:

            Appearance: Off-White Crystal Powder

            Assay: ≥99.0% (by HPLC)

            Melting Point: 53.0-57.0°C

            Loss on Drying: ≤1.0%

            Ash: ≤0.5%