精品国产亚洲欧美动漫一区_毛片黄色片在线观看_亚洲人成77777在线观看网_免费看大黄高清网站视频在线_久草午夜福利电影_精品国产99国产精品_两男吃我奶头一边一个_美女视频大全是全黄的_看当前无码专区狠狠躁天天躁_黑人呦呦些交网站

『Cas No.』: 80756-85-0; 84994-24-1
『Structural formula』:

Product name: AE active ester

『Cas No.』: 80756-85-0; 84994-24-1

Structural type:

Molecular Formula: C13H10N4O2S3

Molecular weight: 350.4391

Characteristics: light yellow crystalline powder

"Use": It is used to manufacture cephalosporin, ceftriaxone, ceftriaxone, cefetamet pivoxil and other pioneer drugs

Packaging: 25KG/cardboard barrel.