<big id="fbrv1"></big>

    chinese

    english

    products

    2-Nitro-N1,N4,N4-Tris-(2-Hydroxyethyl)-P-Phenylenediamine

    CAS NO.: 33229-34-4
    Appearance: Violet-Brown Crystal Powder
    Assay: ≥99.0% Min.
    Melting point: 103°C
    Wet: ≤0.5%
    Structural formula:

     

    性交动态图_性过程三级视频视频_性欧美13处14处破在线观看_亚州av
      <big id="fbrv1"></big>