Section VI — Products of the chemical or allied industries
National subdivision
29333
Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure:
Common commodities
Unfused Pyridine base chemical compoundSynthetic Piperidine solventFentanyl analgesic pharmaceutical productParaquat herbicide solutionNiacin precursor pyridine derivativePyridine-based organic solventFentanyl derivatives for medical useParaquat agricultural chemicalPiperidine used in pharmaceuticalsPyridine-based vitamin precursor