国产高清精品免费区-男女一进一出抽搐免费视频-中日韩一二三级黄色永久视频-日韩精品人妻一区二区免费视频-日本久久视频在线观看-99热这里只有精品88热-亚洲韩国黄色最新短视频一区-日韩伦理在线观看免费全集-国产av一区二区三区天堂

Polyketide Macrolides

《英文msh詞典》Polyketide Macrolides
[入口詞] Polyketide Macrolides
[主題詞] Macrolides
[英文釋義] A group of macrocyclic compounds formed by chain extension of multiple PROPRIONATES and cyclized into a large (typically 12,14,16) membered lactone. They are often glycosylated. Many of them are ANTIBIOTICS.