Iridoid derivatives and new neovascularization inhibitors having as an active ingredient said derivatives.

NEW iridoid derivatives represented by the general formula (I) are described: And vascularization inhibitor ACTIVE PRINCIPLE WHOSE said derivative. Vascularization this inhibitor exhibits a distinct inhibitory effect of vascularization SERIOUS SIDE EFFECTS SIDE WITHOUT WHICH IS IN THE TREATMENT AND USEFUL prevention of various diseases accompanied by abnormal vascularity ACCELERATION.