4-IBP结合了对σ| 1 |的高亲和力和对σ| 2 |的中等亲和力。 4-IBP combines high affinity for σ|1|and moderate affinity for σ|2|sites. 4-IBP is a chemical compound utilized in research applications that investigate the interactions between proteins and small molecules. It is particularly useful in the study of enzymatic mechanisms where it may act as an inhibitor or a transition-state analog, providing insights into the catalytic function of enzymes. Research involving 4-IBP is also significant in the field of material science, where it may be used to modify surface properties through the formation of self-assembled monolayers on various substrates. Additionally, 4-IBP is a relevant compound in the synthesis of phosphorus-containing polymers, which are of interest for their flame retardant properties and applications in optoelectronics.