Profile: Shanghai Rainbow Chemistry Co., Ltd. specializes in developing and manufacturing APIs and pharmaceutical intermediates. We provide 5-bromo-2-cyanopyridine, 2-bromo-5-cyanopyridine, 2-chloro-5-cyanopyridine, pyridine-3,4-dicarboxylic anhydride, 3-amino-2-bromopyridine, 2-amino-5-bromo-3-nitropyridine , 2,3-dibromopyridine, 6-aminonicotinic acid, 5-bromonicotinic acid ethyl ester, 2-chloro-5-aminopyridine, 2-chloro-4-methylpyridine, 2-bromo-3-trifluoromethylpyridine, diminazene ...