五月婷婷免费视频在线观看,久久久久久久综合色一本,亚洲中文字幕欧美高清,97色精品视频在线观看

『Molecular formula』: C₆H₉N₃O₃
『Molecular weight』: 171.16
『Features』:white or light yellow crystal or crystal powder. Melting point is 159-163°C.
『Use』: it has obvious effect for amebiasis.
This product accords with British pharmacopoeia in 2000 edition and American pharmacopoeia in 26 edtion.
『Packing』: 25KG/papercard pail