国产69久久精品成人看,九九精品视频在线播放,欧美亚洲国产第一精品久久下载,国产末成年女av片

Appearance: Golden yellow powder

Assay : 99.0% min.

Total impurity: 1.0% max.

Melting point ( dry product) D.C. 104.5 min.

Moisture 10.0% max.