动漫美女视频黄频大全免费_未满十八免费在线中文字幕_精品国产三级AⅤ在线_国产极品盛宴在线

Product name：Piperacillin

CAS NO.: 61477-96-1

Molecular formula：C₂₃H₂₇N₅O₇S

Molecular weight：517.56

Structural formula：

Physical and chemical properties: Appearance: white crystalline powder; Melting point 183-185°C；

Uses: It has a broad-spectrum antibacterial effect, and has good antibacterial activity against Gram-positive and Gram-negative bacteria.

Packing：25KGdrum