1-Ethynylpyrene
1-Ethynylpyrene is an aryl acetylenic inhibitor of cytochromes P450 1A1, 1A2, and 2B1 with IC50s of 0.18, 0.32, and 0.04 μM, respectively. 1-Ethynylpyrene is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.