Imiquimod（R 837）是一种免疫调节剂，作为选择性的Toll样受体7（TLR7）激动剂，体内显示出抗病毒和抗肿瘤效应。它用于外生殖器和会阴疣、癌症和COVID-19的研究。

Imiquimod HCl is an immune response modifier that acts as a toll-like receptor 7 agonist and is commonly used topically to treat warts on the skin of the genital and anal areas.

Imiquimod maleate is an immune response modifier that acts as a toll-like receptor 7 agonist and is commonly used topically to treat warts on the skin of the genital and anal areas.