国产末成年女AV产国产精_无码永久免费Aⅴ在线观看_亚洲成人影音一二三区_熟妇玉足调教在线视频

CAS#: 1445-45-0

Packing:plastic barrel,200kg for each

Molecular formula:C₅H₁₂O₃

Molecular weight:120

Molecular structure:

Appearance:Colourless liquid

Assay:99% min

BP:107-109^oC