BB31 Monomer N-N Series
![5,5'-dibromo-[2,2'-bipyridine]-3,3'-diamine/464895-32-7](/upload/2023/8\b13ec1cc-ff31-4da0-93ea-d42d6bb29aa8.png)
![2-[[(2-Amino-5-nitrophenyl)imino]methyl]-phenol/1455500-66-9](/upload/2023/8\ac7d41fa-cbc7-4f38-8c1b-815f20dffdcd.png)
![5,5'-dibromo-N3,N3'-bis(2-hexyldecyl)-[2,2'-bipyridine]-3,3'-diamine/](/upload/2023/8\53ffb84f-4a3a-4e69-b88f-76d139e5519d.png)
![5,5'-dibromo-N3,N3'-bis(difluoroboranyl)-N3,N3'-bis(2-hexyldecyl)-[2,2'-bipyridine]-3,3'-diamine/](/upload/2023/8\687cef6f-284b-4f5d-8e52-e58b1e4b06ad.png)
Hangzhou Longshine Bio-Tech Co.,Ltd is a professional pharmaceutical
manufacturer with productive factory, which is able to produce API and pharmaceutical intermediate with
reliable quality and good price.
