5,7-Dimethoxy-2,2-dimethylchromene
5,7-Dimethoxy-2,2-dimethylchromene is a synthetic precocenoid, has potential insect control function. 5,7-Dimethoxy-2,2-dimethylchromene induces loss of pigmentation in hatching larvae of shield bug (Eurgaster integriceps)[1][2].