It provides an HIV inhibitory agent that can act differently from traditional anti HIV drugs, which can act with different mechanisms of action, which is unlikely to induce drug resistance and can inhibit HIV persistently and effectively. A compound represented by formula (I) (1) or salt thereof is provided. The compounds of the present invention can have synergistic activity with high anti HIV activity and low cytotoxicity and combined with anti HIV neutralizing antibodies.従来の抗HIV薬剤とは異なる作用機序で作用することができ、薬剤耐性を誘発させにくく、持続的かつ効果的にHIVを抑制することができるHIV感染阻害剤の提供。 一般式(I)【化1】で示される化合物又はその塩を提供する。本発明の化合物は、高い抗HIV活性を有すると共に細胞毒性が低く、かつ抗HIV中和抗体と併用した場合に相乗的な活性をもたらすことができる。
