The active ingredient in Tempo20WP is listed as β-Cyfluthrin, cyano(4-fluoro-3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2dimethylcyclopropanecarboxylate. What does the term "Cyfluthrin" represent?
a) The brand name
b) The chemical family
c) The active ingredient
d) The inert ingredient