IsocyanatesCyanatesAllyl CompoundsPolyurethanesToluene 2,4-DiisocyanatePaintRhodiumAir Pollutants, OccupationalButylaminesTear GasesPropanolsIndolizidinesOccupational ExposureAutomobilesInhalation ExposureMustard CompoundsEnvironmental MonitoringIsothiocyanatesOccupational DiseasesAlkynesAlveolitis, Extrinsic AllergicCyclizationStereoisomerismChemical IndustryIridium