可商量
发表于 2025-4-1 03:56:43
http://reply.papertrans.cn/63/6287/628641/628641_61.png
果仁
发表于 2025-4-1 09:31:40
Chloramphenicol,rds, its structure was elucidated and it became the first antibiotic to be synthesized by chemical means (. et al., 1949). The chemical structure of chloramphenicol is given in Fig. 1. It is one of the rare natural compounds which carry a nitro group. Nevertheless, the molecule has a structure which
脆弱吧
发表于 2025-4-1 14:06:29
Ethambutol,diisopropylethylenediamine (Fig. 1) was highly active against members of the genus ., particularly against . both in vitro and in experimentally infected mice (. and ., 1962; . et al., 1966). These observations were both exciting and intriguing, since the chemical structure of this compound was comp
手势
发表于 2025-4-1 16:09:55
http://reply.papertrans.cn/63/6287/628641/628641_64.png
ARY
发表于 2025-4-1 20:55:39
http://reply.papertrans.cn/63/6287/628641/628641_65.png
大厅
发表于 2025-4-1 22:54:43
Kidamycin and Acetyl Kidamycin,mycin proposed to reduce toxicity (., 1972). While weakly active against some microorganisms, these drugs inhibit the multiplication of some transplantable animal tumors and exhibit considerably high cytotoxic activity against normal and neoplastic cells.