atom
atomic
ball
bond
c4f10
chain
chemical
chemistry
composition
compound
drawing
education
environment
fbsa
flat
formula
gas
geometric
hfbsa
icon
isolated
line
model
molecular
molecule
organic
particle
perfluorinated
perfluorobutane
pfas
pollutant
pollution
science
scientific
simple fluorocarbon
skeletal
structure
study
sulfonamide
surface
surfactant
tension
toxic
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