激情国产白嫩美女在线观看_亚洲日韩一区二区三区不卡_国产精品高颜值在线观看_久久免视精品国产_黄污视频欧美在线观看_亚洲欧美做暖暖的视频_横恋mu动漫第2集在线观看_京香一区二区三区中文字幕_成人免费网站在线看_国模生殖欣赏人体337

№D401
CAS Rn:[636-99-7]
Molecular weight: 189.6
Simple formula: C₆H₇N₃ O₂.HCI
Chemical structure formula:
SPECIFICATIONS:
Appearance : crystal
Colour : reddish brown
Purity : 95.0% min (HPLC)
Loss on drying : 0.5% max
Packing : In 25kg net drum with PE liners