99久99/在线观看91精品视频/亚洲色图99p/国产欧美日韩久久 - 亚洲理论在线a中文字幕

醫藥化工出口貿易
Pharmaceutical export trade

Product Detail

詳細內容
產品名稱 L-脯氨酸
英文名 L-Proline
CAS NO. 147-85-3
Applications Nutritional supplements. A flavoring agent. The amino-carbonyl reaction occurs when it is co-heated with sugar to form a special aroma.