Introduce: Profile: Hangzhou Pharmsun Pharmaceutical Co.,Ltd. specializes in offering fluorochemcials, pyrimidines, pyridines, nitriles, aldehydes, amino acids, boric acids, nucleosides and heterocyclic compounds. Fluoro chemicals include 2,3-difluorohydroquinone, 2,3,4-trifluorocinnamic acid, 3-carboxy-2-fluorophenylboronic acid, 2,4-dichloro-3.5-dinitro benzotrifluoride, 3-fluoro-5-(trifluoromethyl) benzonitrile and 1,3-bis(trifluoromethyl)benzene. Heterocyclic compounds include 4-iodo-3-methyl-1H-pyrazole , 1,1,7,7-tetramethyljulolidine , 3-hexylthiophene , 3,5-dimethylpyrazole and 5-(phenylmethyl)-1H-tetrazole.