abstract |
The invention relates to the mosquito killing activity of 2,5-dithienylthiazole derivatives, wherein R represents 2-chloro, 4-chloro, 2,4-dichloro, 3,4-dichloro, 3,5-dichloro or 3,5-dimethyl. A compound (I) has 50% killing activity to 4-year early mosquito larvae under the circumstance of the formulation rate of 0.5 ppm. |