perfluorobutanesulfonic acid molecular structure, 3d model molecule, pfbs, structural chemical formula view from a microscope

perfluorobutanesulfonic acid pfbs pfas molecule molecular structure chemical formula 3d model c4hf9o3s atom toxic chemistry composition compound safety science atomic fluorocarbon fluorosurfactant surfactant scientific butanesulfonic perfluoro skeletal drawing icon line flat synthetic pollutant research substance geometric poison solid stable structural element illustration organic persistent